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| Brand | Model | arrow_downward Rated Nominal Capacity (litres) - New Zealand Product | Rated Hot Water Delivery (litres) - Australian Product | Rated/Declared Heat Loss (kWh/24hr) | Regulator | Availability | Expiry Date | Registration Number |
| Peter Cocks | 30056SDB15 | 300 | - | 2.36 | New Zealand Regulator | Available | 4 Jul 2123 | ZHW0408 |
| TRIUMPH | 25732 | 300 | - | 1.95 | New Zealand Regulator | Available | 22 Apr 2121 | ZHW0359 |
| TRIUMPH | 00300625M | 300 | - | 1.95 | New Zealand Regulator | Available | 22 Apr 2121 | ZHW0359 |
| RHEEM | 91330025 | 293 | - | 2.36 | New Zealand Regulator | Available | 17 Jul 2123 | ZHW0414 |
| Dux | N300T118 | 291 | 250 | 2.33 | Australian Regulator | Available | 7 Nov 2026 | AHW0548 |
| Dux | N300T124 | 291 | 250 | 2.33 | Australian Regulator | Available | 7 Nov 2026 | AHW0548 |
| Dux | N300T130 | 291 | 250 | 2.33 | Australian Regulator | Available | 7 Nov 2026 | AHW0548 |
| Dux | N300T136 | 291 | 250 | 2.33 | Australian Regulator | Available | 7 Nov 2026 | AHW0548 |
| Dux | N300T1 | 291 | 250 | 2.33 | Australian Regulator | Available | 7 Nov 2026 | AHW0548 |
| Thermann | N300THM118 | 291 | 250 | 2.33 | Australian Regulator | Available | 7 Nov 2026 | AHW0549 |
| Thermann | N300THM124 | 291 | 250 | 2.33 | Australian Regulator | Available | 7 Nov 2026 | AHW0549 |
| Thermann | N300THM130 | 291 | 250 | 2.33 | Australian Regulator | Available | 7 Nov 2026 | AHW0549 |
| Thermann | N300THM136 | 291 | 250 | 2.33 | Australian Regulator | Available | 7 Nov 2026 | AHW0549 |
| Thermann | N300THM1 | 291 | 250 | 2.33 | Australian Regulator | Available | 7 Nov 2026 | AHW0549 |
| RINNAI | 250S (A) | 279 | 250 | 2.42 | Australian Regulator | Available | 14 May 2028 | AHW0615 |
| RINNAI | EHFA250S24 | 279 | 250 | 2.42 | Australian Regulator | Available | 14 May 2028 | AHW0615 |
| RINNAI | EHFA250S24H | 279 | 250 | 2.42 | Australian Regulator | Available | 14 May 2028 | AHW0615 |
| RINNAI | EHFA250S36 | 279 | 250 | 2.42 | Australian Regulator | Available | 14 May 2028 | AHW0615 |
| RINNAI | EHFA250S36H | 279 | 250 | 2.42 | Australian Regulator | Available | 14 May 2028 | AHW0615 |
| RINNAI | EHFA250S48 | 279 | 250 | 2.42 | Australian Regulator | Available | 14 May 2028 | AHW0615 |
| RINNAI | EHFA250S48H | 279 | 250 | 2.42 | Australian Regulator | Available | 14 May 2028 | AHW0615 |
| Qudos | Qudos | 276 | 250 | 2.14 | Australian Regulator | Available | 15 Sep 2029 | AHW0658 |
| Qudos | MPS250 | 276 | 250 | 2.14 | Australian Regulator | Available | 15 Sep 2029 | AHW0658 |
| Qudos | MPE250 | 276 | 250 | 2.14 | Australian Regulator | Available | 15 Sep 2029 | AHW0658 |
| Rinnai | ME275685E36 | 275 | - | 2.10 | New Zealand Regulator | Available | 23 Aug 2118 | ZHW0248 |
| RINNAI | EHFA250T24 | 275 | 250 | 2.84 | Australian Regulator | Available | 14 May 2028 | AHW0616 |
| RINNAI | EHFA250T24H | 275 | 250 | 2.84 | Australian Regulator | Available | 14 May 2028 | AHW0616 |
| RINNAI | 250T (A) | 275 | 250 | 2.84 | Australian Regulator | Available | 14 May 2028 | AHW0616 |
| RINNAI | EHFA250T36 | 275 | 250 | 2.84 | Australian Regulator | Available | 14 May 2028 | AHW0616 |
| RINNAI | EHFA250T36H | 275 | 250 | 2.84 | Australian Regulator | Available | 14 May 2028 | AHW0616 |
| RINNAI | EHFA250T48 | 275 | 250 | 2.84 | Australian Regulator | Available | 14 May 2028 | AHW0616 |
| RINNAI | EHFA250T48H | 275 | 250 | 2.84 | Australian Regulator | Available | 14 May 2028 | AHW0616 |
| RINNAI | 250S | 271 | 250 | 2.64 | Australian Regulator | Available | 8 Jul 2027 | AHW0563 |
| RINNAI | FM250S48 | 271 | 250 | 2.64 | Australian Regulator | Available | 8 Jul 2027 | AHW0563 |
| RINNAI | FM250S36 | 271 | 250 | 2.64 | Australian Regulator | Available | 8 Jul 2027 | AHW0563 |
| RINNAI | FM250S24 | 271 | 250 | 2.64 | Australian Regulator | Available | 8 Jul 2027 | AHW0563 |
| RINNAI | FM250S18 | 271 | 250 | 2.64 | Australian Regulator | Available | 8 Jul 2027 | AHW0563 |
| RINNAI | HFE250SSL48 | 271 | 250 | 2.64 | Australian Regulator | Available | 8 Jul 2027 | AHW0563 |
| RINNAI | HFE250SSL36 | 271 | 250 | 2.64 | Australian Regulator | Available | 8 Jul 2027 | AHW0563 |
| RINNAI | HFE250SSL24 | 271 | 250 | 2.64 | Australian Regulator | Available | 8 Jul 2027 | AHW0563 |
| RINNAI | HFE250SSL18 | 271 | 250 | 2.64 | Australian Regulator | Available | 8 Jul 2027 | AHW0563 |
| RHEEM | 16927015 LP 270L 560x1800H 3kW | 270 | Not Applicable - Application for MEPS in NZ Only | 2.01 | New Zealand Regulator | Available | - | ZHW0070 |
| RHEEM | 16527015 LP 270L 560x1800H BCRL 3kW | 270 | Not Applicable - Application for MEPS in NZ Only | 2.01 | New Zealand Regulator | Available | - | ZHW0069 |
| RHEEM | 14927015 LP 270L 610x1470H 3kW | 270 | Not Applicable - Application for MEPS in NZ Only | 1.90 | New Zealand Regulator | Available | - | ZHW0068 |
| RHEEM | 14527015 LP 270L 610x1470H BCRL 3kW | 270 | Not Applicable - Application for MEPS in NZ Only | 1.90 | New Zealand Regulator | Available | - | ZHW0067 |
| Peter Cocks | 27054ESP | 270 | Not Applicable - Application for MEPS in NZ Only | 2.00 | New Zealand Regulator | Available | - | ZHW0108 |
| VULCAN | 6612500x | 270 | 250 | 2.58 | Australian Regulator | Available | 18 Aug 2025 | AHW0458 |
| Rheem | 51127107 | 270 | - | 2.13 | New Zealand Regulator | Available | 15 Dec 2120 | ZHW0309 |
| Peter Cocks | 27061ESP | 270 | - | 2.14 | New Zealand Regulator | Available | 29 Jan 2121 | ZHW0324 |
| Peter Cocks | 27061DSP | 270 | - | 2.14 | New Zealand Regulator | Available | 29 Jan 2121 | ZHW0324 |
| Peter Cocks | 27061DSPL | 270 | - | 2.14 | New Zealand Regulator | Available | 29 Jan 2121 | ZHW0324 |
| Peter Cocks | 27061DSPR | 270 | - | 2.14 | New Zealand Regulator | Available | 29 Jan 2121 | ZHW0324 |
| Peter Cocks | 27061MPW | 270 | - | 2.14 | New Zealand Regulator | Available | 29 Jan 2121 | ZHW0324 |
| Peter Cocks | 27056ESP | 270 | - | 2.14 | New Zealand Regulator | Available | 25 Feb 2121 | ZHW0331 |
| Peter Cocks | 27056DSP | 270 | - | 2.14 | New Zealand Regulator | Available | 25 Feb 2121 | ZHW0331 |
| Peter Cocks | 27056DSPL | 270 | - | 2.14 | New Zealand Regulator | Available | 25 Feb 2121 | ZHW0331 |
| Peter Cocks | 27056DSPR | 270 | - | 2.14 | New Zealand Regulator | Available | 25 Feb 2121 | ZHW0331 |
| Peter Cocks | 27056MPW | 270 | - | 2.14 | New Zealand Regulator | Available | 25 Feb 2121 | ZHW0331 |
| Rheem | 15827015T | 270 | - | 2.14 | New Zealand Regulator | Available | 8 Jun 2121 | ZHW0372 |
| Rheem | 15827013T | 270 | - | 2.14 | New Zealand Regulator | Available | 8 Jun 2121 | ZHW0372 |
| RINNAI | EHFA250T2419PVD | 270 | 250 | 2.84 | Australian Regulator | Available | 4 Apr 2028 | AHW0625 |
| RINNAI | EHFA250T2424PVD | 270 | 250 | 2.84 | Australian Regulator | Available | 4 Apr 2028 | AHW0625 |
| RINNAI | EHFA250T2432PVD | 270 | 250 | 2.84 | Australian Regulator | Available | 4 Apr 2028 | AHW0625 |
| RINNAI | EHFA250T2436PVD | 270 | 250 | 2.84 | Australian Regulator | Available | 4 Apr 2028 | AHW0625 |
| RINNAI | EHFA250T3624PVD | 270 | 250 | 2.84 | Australian Regulator | Available | 4 Apr 2028 | AHW0625 |
| RINNAI | EHFA250T3636PVD | 270 | 250 | 2.84 | Australian Regulator | Available | 4 Apr 2028 | AHW0625 |
| RINNAI | 250PVD | 270 | 250 | 2.84 | Australian Regulator | Available | 4 Apr 2028 | AHW0625 |
| RINNAI | HFE250T18 | 270 | 250 | 2.69 | Australian Regulator | Available | 29 Sep 2028 | AHW0632 |
| RINNAI | HFE250T24 | 270 | 250 | 2.69 | Australian Regulator | Available | 29 Sep 2028 | AHW0632 |
| RINNAI | HFE250T36 | 270 | 250 | 2.69 | Australian Regulator | Available | 29 Sep 2028 | AHW0632 |
| RINNAI | HFE250T48 | 270 | 250 | 2.69 | Australian Regulator | Available | 29 Sep 2028 | AHW0632 |
| RINNAI | HFE250T18H | 270 | 250 | 2.69 | Australian Regulator | Available | 29 Sep 2028 | AHW0632 |
| RINNAI | HFE250T24H | 270 | 250 | 2.69 | Australian Regulator | Available | 29 Sep 2028 | AHW0632 |
| RINNAI | HFE250T36H | 270 | 250 | 2.69 | Australian Regulator | Available | 29 Sep 2028 | AHW0632 |
| RINNAI | HFE250T48H | 270 | 250 | 2.69 | Australian Regulator | Available | 29 Sep 2028 | AHW0632 |
| RINNAI | HFE250T | 270 | 250 | 2.69 | Australian Regulator | Available | 29 Sep 2028 | AHW0632 |
| GMO | GD25036 | 270 | - | 2.16 | New Zealand Regulator | Available | 16 Mar 2124 | ZHW0416 |
| Thermann | 250THMB236 | 262 | 250 | 2.48 | Australian Regulator | Available | 3 Oct 2028 | AHW0646 |
| Thermann | 250THMB248 | 262 | 250 | 2.48 | Australian Regulator | Available | 3 Oct 2028 | AHW0646 |
| Thermann | 250THMB236H | 262 | 250 | 2.48 | Australian Regulator | Available | 3 Oct 2028 | AHW0646 |
| Thermann | 250THMB248H | 262 | 250 | 2.48 | Australian Regulator | Available | 3 Oct 2028 | AHW0646 |
| Thermann | 250THMB2 | 262 | 250 | 2.48 | Australian Regulator | Available | 3 Oct 2028 | AHW0646 |
| EVERHOT | 281250Vx | 261 | 250 | 2.64 | Australian Regulator | Available | 21 Nov 2027 | AHW0579 |
| VULCAN | 681250Vx | 261 | 250 | 2.64 | Australian Regulator | Available | 30 Nov 2027 | AHW0580 |
| VULCAN | 681250Vx/BL | 261 | 250 | 2.64 | Australian Regulator | Available | 30 Nov 2027 | AHW0580 |
| VULCAN | Vulcan Duomax 250L Vx series | 261 | 250 | 2.64 | Australian Regulator | Available | 30 Nov 2027 | AHW0580 |
| AquaMax | 981250Vx | 261 | 250 | 2.64 | Australian Regulator | Available | 30 Nov 2027 | AHW0583 |
| AquaMax | 981250Vx/BL | 261 | 250 | 2.64 | Australian Regulator | Available | 30 Nov 2027 | AHW0583 |
| AquaMax | Aquamax 250L Vx series | 261 | 250 | 2.64 | Australian Regulator | Available | 30 Nov 2027 | AHW0583 |
| Vulcan Duomax | 6DS250Vx | 261 | 250 | 2.64 | Australian Regulator | Available | 30 Nov 2027 | AHW0584 |
| EVERHOT | 282250Vx | 260 | 250 | 2.84 | Australian Regulator | Available | 13 Aug 2028 | AHW0637 |
| AquaMax | 982250Vx | 260 | 250 | 2.84 | Australian Regulator | Available | 13 Aug 2028 | AHW0638 |
| Thermann | 250THM148H | 259 | 250 | 2.27 | Australian Regulator | Unavailable | 21 May 2025 | AHW0449 |
| Thermann | 250THM136H | 259 | 250 | 2.27 | Australian Regulator | Unavailable | 21 May 2025 | AHW0449 |
| Thermann | 250THM124H | 259 | 250 | 2.27 | Australian Regulator | Unavailable | 21 May 2025 | AHW0449 |
| Thermann | 250THM118H | 259 | 250 | 2.27 | Australian Regulator | Unavailable | 21 May 2025 | AHW0449 |
| Thermann | 250THM148 | 259 | 250 | 2.27 | Australian Regulator | Unavailable | 21 May 2025 | AHW0449 |
| Thermann | 250THM136 | 259 | 250 | 2.27 | Australian Regulator | Unavailable | 21 May 2025 | AHW0449 |
| Thermann | 250THM124 | 259 | 250 | 2.27 | Australian Regulator | Unavailable | 21 May 2025 | AHW0449 |
| Thermann | 250THM118 | 259 | 250 | 2.27 | Australian Regulator | Unavailable | 21 May 2025 | AHW0449 |
| Thermann | 250THMB136 | 259 | 250 | 2.27 | Australian Regulator | Unavailable | 21 May 2025 | AHW0449 |
| Thermann | 250THMB136H | 259 | 250 | 2.27 | Australian Regulator | Unavailable | 21 May 2025 | AHW0449 |
| Thermann | 250THM | 259 | 250 | 2.27 | Australian Regulator | Unavailable | 21 May 2025 | AHW0449 |
| Thermann | 250THMB136 | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0475 |
| Thermann | 250THMB136H | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0475 |
| Thermann | 250THM118 | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0475 |
| Thermann | 250THM124 | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0475 |
| Thermann | 250THM136 | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0475 |
| Thermann | 250THM148 | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0475 |
| Thermann | 250THM118H | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0475 |
| Thermann | 250THM124H | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0475 |
| Thermann | 250THM136H | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0475 |
| Thermann | 250THM148H | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0475 |
| Thermann | 250THM | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0475 |
| Thermann | TH250GLE | 259 | 250 | 2.64 | Australian Regulator | Available | 16 May 2026 | AHW0497 |
| Apricus | AP250GLE | 259 | 250 | 2.64 | Australian Regulator | Available | 8 Jun 2026 | AHW0506 |
| Dux Proflo | 250T124 | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0474 |
| Dux Proflo | 250T118 | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0474 |
| Dux Proflo | 250T136 | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0474 |
| Dux Proflo | 250T136HWM | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0474 |
| Dux Proflo | 250T136HOT | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0474 |
| Dux Proflo | 250T136PHW | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0474 |
| Dux Proflo | 250S136 | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0474 |
| Dux Proflo | 250X1 | 259 | 250 | 2.13 | Australian Regulator | Available | 16 Nov 2025 | AHW0474 |
| Radiant | 250A124 | 259 | 250 | 2.27 | Australian Regulator | Available | 11 May 2028 | AHW0626 |
| Radiant | 250A136 | 259 | 250 | 2.27 | Australian Regulator | Available | 11 May 2028 | AHW0626 |
| Radiant | 250A148 | 259 | 250 | 2.27 | Australian Regulator | Available | 11 May 2028 | AHW0626 |
| Radiant | 250A118 | 259 | 250 | 2.27 | Australian Regulator | Available | 11 May 2028 | AHW0626 |
| Radiant | 250A1 | 259 | 250 | 2.27 | Australian Regulator | Available | 11 May 2028 | AHW0626 |
| Dux | 250W130 | 259 | 250 | 2.13 | Australian Regulator | Available | 3 Apr 2029 | AHW0662 |
| Dux | 250W124 | 259 | 250 | 2.13 | Australian Regulator | Available | 3 Apr 2029 | AHW0662 |
| Dux | 250W118 | 259 | 250 | 2.13 | Australian Regulator | Available | 3 Apr 2029 | AHW0662 |
| Dux | 250W1 | 259 | 250 | 2.13 | Australian Regulator | Available | 3 Apr 2029 | AHW0662 |
| Thermann | 250THMW130 | 259 | 250 | 2.13 | Australian Regulator | Available | 3 Apr 2029 | AHW0663 |
| Thermann | 250THMW124 | 259 | 250 | 2.13 | Australian Regulator | Available | 3 Apr 2029 | AHW0663 |
| Thermann | 250THMW118 | 259 | 250 | 2.13 | Australian Regulator | Available | 3 Apr 2029 | AHW0663 |
| Thermann | 250THMW1 | 259 | 250 | 2.13 | Australian Regulator | Available | 3 Apr 2029 | AHW0663 |
| Thermann | 250THMW130H | 259 | 250 | 2.13 | Australian Regulator | Available | 3 Apr 2029 | AHW0663 |
| Thermann | 250THMW124H | 259 | 250 | 2.13 | Australian Regulator | Available | 3 Apr 2029 | AHW0663 |
| RHEEM | 32525005-0A | 250 | - | 2.04 | New Zealand Regulator | Available | 17 Aug 2115 | ZHW0193 |
| RHEEM | 32525005-0HA | 250 | - | 2.04 | New Zealand Regulator | Available | 17 Aug 2115 | ZHW0193 |
| RHEEM | 325250xx-0xA | 250 | - | 2.04 | New Zealand Regulator | Available | 17 Aug 2115 | ZHW0193 |
| Rinnai | MS250550D20 | 250 | - | 2.06 | New Zealand Regulator | Available | 24 Aug 2118 | ZHW0261 |
| Rinnai | MS250550D20A | 250 | - | 2.06 | New Zealand Regulator | Available | 24 Aug 2118 | ZHW0261 |
| Rinnai | MS250550D30A | 250 | - | 2.06 | New Zealand Regulator | Available | 24 Aug 2118 | ZHW0261 |
| Rinnai | MS250550D30 | 250 | - | 2.06 | New Zealand Regulator | Available | 24 Aug 2118 | ZHW0261 |
| Peter Cocks | 250STCB | 250 | - | 1.73 | New Zealand Regulator | Available | 26 Oct 2118 | ZHW0270 |
| Peter Cocks | 250STB | 250 | - | 1.73 | New Zealand Regulator | Available | 26 Oct 2118 | ZHW0270 |
| Peter Cocks | 250STBR | 250 | - | 1.73 | New Zealand Regulator | Available | 26 Oct 2118 | ZHW0270 |
| Peter Cocks | 250SDB | 250 | - | 1.73 | New Zealand Regulator | Available | 26 Oct 2118 | ZHW0270 |
| Peter Cocks | 250STD | 250 | - | 1.73 | New Zealand Regulator | Available | 26 Oct 2118 | ZHW0270 |
| Peter Cocks | 250SCB | 250 | - | 1.73 | New Zealand Regulator | Available | 26 Oct 2118 | ZHW0270 |
| Peter Cocks | 250SCBR | 250 | - | 1.73 | New Zealand Regulator | Available | 26 Oct 2118 | ZHW0270 |
| Rinnai | ME25059030S | 250 | - | 2.16 | New Zealand Regulator | Available | 9 May 2119 | ZHW0295 |
| Rinnai | LS25055030 | 250 | - | 2.06 | New Zealand Regulator | Available | 9 May 2119 | ZHW0294 |
| Rinnai | LS25055020 | 250 | - | 2.06 | New Zealand Regulator | Available | 9 May 2119 | ZHW0294 |
| Rinnai | LS25055030A | 250 | - | 2.06 | New Zealand Regulator | Available | 9 May 2119 | ZHW0294 |
| Rinnai | LS25055020A | 250 | - | 2.06 | New Zealand Regulator | Available | 9 May 2119 | ZHW0294 |
| Rinnai | LS250550D30 | 250 | - | 2.06 | New Zealand Regulator | Available | 9 May 2119 | ZHW0294 |
| Rinnai | LS250550D20 | 250 | - | 2.06 | New Zealand Regulator | Available | 9 May 2119 | ZHW0294 |
| Rinnai | LS250550D30A | 250 | - | 2.06 | New Zealand Regulator | Available | 9 May 2119 | ZHW0294 |
| Rinnai | LS250550D20A | 250 | - | 2.06 | New Zealand Regulator | Available | 9 May 2119 | ZHW0294 |
| EVERHOT | Everhot 250L TE Electric Storage 292250Rx/BL | 250 | 250 | 2.84 | Australian Regulator | Available | 11 Sep 2024 | AHW0444 |
| EVERHOT | 292250Rx/BL | 250 | 250 | 2.84 | Australian Regulator | Available | 11 Sep 2024 | AHW0444 |
| Solahart | 250E5X36 | 250 | 250 | 2.84 | Australian Regulator | Available | 20 Nov 2025 | AHW0477 |
| Solahart | 250E6X36 | 250 | 250 | 2.84 | Australian Regulator | Available | 20 Nov 2025 | AHW0477 |
| Solahart | Peaking 250L | 250 | 250 | 2.84 | Australian Regulator | Available | 20 Nov 2025 | AHW0477 |
| RHEEM | 31225015 | 250 | - | 2.16 | New Zealand Regulator | Available | 4 Mar 2121 | ZHW0334 |
| TRIUMPH | 27572 | 250 | - | 2.16 | New Zealand Regulator | Available | 11 Mar 2121 | ZHW0337 |
| TRIUMPH | 27626s | 250 | - | 2.16 | New Zealand Regulator | Available | 11 Mar 2121 | ZHW0337 |
| TRIUMPH | 250lt 575dia 1660H | 250 | - | 2.16 | New Zealand Regulator | Available | 11 Mar 2121 | ZHW0337 |
| TRIUMPH | 25770 | 250 | - | 2.03 | New Zealand Regulator | Available | 19 Mar 2121 | ZHW0341 |
| TRIUMPH | 25725 | 250 | - | 1.91 | New Zealand Regulator | Available | 22 Apr 2121 | ZHW0360 |
| Everhot | Everhot Single 250 SS | 250 | 250 | 2.58 | Australian Regulator | Available | 17 May 2026 | AHW0501 |
| Everhot | 2A1250M8 | 250 | 250 | 2.58 | Australian Regulator | Available | 17 May 2026 | AHW0501 |
| Everhot | 2A1250M7 | 250 | 250 | 2.58 | Australian Regulator | Available | 17 May 2026 | AHW0501 |
| Everhot | 2A1250M5 | 250 | 250 | 2.58 | Australian Regulator | Available | 17 May 2026 | AHW0501 |
| Peter Cocks | 25058SDB15 | 250 | - | 2.16 | New Zealand Regulator | Available | 3 Jun 2121 | ZHW0368 |
| Peter Cocks | 25058SDB13 | 250 | - | 2.16 | New Zealand Regulator | Available | 3 Jun 2121 | ZHW0368 |
| Peter Cocks | 25058SDB03 | 250 | - | 2.16 | New Zealand Regulator | Available | 3 Jun 2121 | ZHW0368 |
| Peter Cocks | 25058SDB05 | 250 | - | 2.16 | New Zealand Regulator | Available | 3 Jun 2121 | ZHW0368 |
| RHEEM | 31225025 | 250 | - | 2.16 | New Zealand Regulator | Available | 3 Jun 2121 | ZHW0365 |
| RYANZ | 25770 | 250 | - | 2.16 | New Zealand Regulator | Available | 28 Jun 2121 | ZHW0375 |
| Vulcan Duomax | 6D1250Rx | 250 | 250 | 2.64 | Australian Regulator | Available | 2 Aug 2026 | AHW0524 |
| Vulcan Duomax | 6D1250Rx/BL | 250 | 250 | 2.64 | Australian Regulator | Available | 2 Aug 2026 | AHW0524 |
| Vulcan Duomax | Vulcan Duomax 250L series | 250 | 250 | 2.64 | Australian Regulator | Available | 2 Aug 2026 | AHW0524 |
| Solahart | 270RMX36E | 250 | 250 | 2.64 | Australian Regulator | Available | 1 Sep 2026 | AHW0531 |
| Solahart | 270RMX36G | 250 | 250 | 2.64 | Australian Regulator | Available | 1 Sep 2026 | AHW0531 |
| Solahart | Solar Ready 270L | 250 | 250 | 2.64 | Australian Regulator | Available | 1 Sep 2026 | AHW0531 |
| Rheem | Solar Ready 250L | 250 | 250 | 2.64 | Australian Regulator | Available | 19 Mar 2026 | AHW0493 |
| Rheem | 51M250R7G | 250 | 250 | 2.64 | Australian Regulator | Available | 19 Mar 2026 | AHW0493 |
| Rheem | 51M250R7E | 250 | 250 | 2.64 | Australian Regulator | Available | 19 Mar 2026 | AHW0493 |
| Dux | N250T118 | 250 | 200 | 2.05 | Australian Regulator | Available | 2 Nov 2026 | AHW0543 |
| Dux | N250T124 | 250 | 200 | 2.05 | Australian Regulator | Available | 2 Nov 2026 | AHW0543 |
| Dux | N250T130 | 250 | 200 | 2.05 | Australian Regulator | Available | 2 Nov 2026 | AHW0543 |
| Dux | N250T136 | 250 | 200 | 2.05 | Australian Regulator | Available | 2 Nov 2026 | AHW0543 |
| Dux | N250T1 | 250 | 200 | 2.05 | Australian Regulator | Available | 2 Nov 2026 | AHW0543 |
| Thermann | N250THM118 | 250 | 200 | 2.05 | Australian Regulator | Available | 2 Nov 2026 | AHW0544 |
| Thermann | N250THM124 | 250 | 200 | 2.05 | Australian Regulator | Available | 2 Nov 2026 | AHW0544 |
| Thermann | N250THM130 | 250 | 200 | 2.05 | Australian Regulator | Available | 2 Nov 2026 | AHW0544 |
| Thermann | N250THM136 | 250 | 200 | 2.05 | Australian Regulator | Available | 2 Nov 2026 | AHW0544 |
| Thermann | N250THM1 | 250 | 200 | 2.05 | Australian Regulator | Available | 2 Nov 2026 | AHW0544 |
| RHEEM | 4A1250M5 | 250 | 250 | 2.58 | Australian Regulator | Available | 5 Feb 2028 | AHW0595 |
| RHEEM | 4A1250M7 | 250 | 250 | 2.58 | Australian Regulator | Available | 5 Feb 2028 | AHW0595 |
| RHEEM | 4A1250M8 | 250 | 250 | 2.58 | Australian Regulator | Available | 5 Feb 2028 | AHW0595 |
| RHEEM | Rheem Single 250SS | 250 | 250 | 2.58 | Australian Regulator | Available | 5 Feb 2028 | AHW0595 |
| RHEEM | 4A2250M7 | 250 | 250 | 2.78 | Australian Regulator | Available | 14 Feb 2028 | AHW0600 |
| RHEEM | 4A2250M8 | 250 | 250 | 2.78 | Australian Regulator | Available | 14 Feb 2028 | AHW0600 |
| RHEEM | Rheem Twin 250SS | 250 | 250 | 2.78 | Australian Regulator | Available | 14 Feb 2028 | AHW0600 |
| Rheem Optima | 491250Rx | 250 | 250 | 2.64 | Australian Regulator | Available | 1 Apr 2028 | AHW0607 |
| Rheem Optima | Rheem 250L Optima Electric Storage 491250Rx | 250 | 250 | 2.64 | Australian Regulator | Available | 1 Apr 2028 | AHW0607 |
| Rheem Optima | 491250Rx/B | 250 | 250 | 2.64 | Australian Regulator | Available | 1 Apr 2028 | AHW0607 |
| AquaMax | 991250Rx | 250 | 250 | 2.64 | Australian Regulator | Available | 2 Apr 2028 | AHW0609 |
| AquaMax | AquaMax 250L Electric Storage 991250Rx | 250 | 250 | 2.64 | Australian Regulator | Available | 2 Apr 2028 | AHW0609 |
| AquaMax | 991250Rx/BL | 250 | 250 | 2.64 | Australian Regulator | Available | 2 Apr 2028 | AHW0609 |
| Rheem Optima | 492250Rx | 250 | 250 | 2.84 | Australian Regulator | Available | 3 Apr 2028 | AHW0613 |
| Rheem Optima | Rheem 250L TE Optima Electric Storage 492250Rx | 250 | 250 | 2.84 | Australian Regulator | Available | 3 Apr 2028 | AHW0613 |
| Rheem Optima | 492250Rx/BL | 250 | 250 | 2.84 | Australian Regulator | Available | 3 Apr 2028 | AHW0613 |
| AquaMax | 992250Rx | 250 | 250 | 2.84 | Australian Regulator | Available | 3 Apr 2028 | AHW0619 |
| AquaMax | AquaMax 250L TE Electric Storage 992250Rx | 250 | 250 | 2.84 | Australian Regulator | Available | 3 Apr 2028 | AHW0619 |
| AquaMax | 992250Rx/BL | 250 | 250 | 2.84 | Australian Regulator | Available | 3 Apr 2028 | AHW0619 |
| EVERHOT | 291250Rx | 250 | 250 | 2.64 | Australian Regulator | Available | 3 Apr 2028 | AHW0620 |
| EVERHOT | Everhot 250L Electric Storage 291250Rx | 250 | 250 | 2.64 | Australian Regulator | Available | 3 Apr 2028 | AHW0620 |
| EVERHOT | 291250Rx/B | 250 | 250 | 2.64 | Australian Regulator | Available | 3 Apr 2028 | AHW0620 |
| EVERHOT | 292250Rx | 250 | 250 | 2.84 | Australian Regulator | Available | 6 Apr 2028 | AHW0623 |
| EVERHOT | Everhot 250L TE Electric Storage 292250Rx | 250 | 250 | 2.84 | Australian Regulator | Available | 6 Apr 2028 | AHW0623 |
| EVERHOT | 292250Rx/BL | 250 | 250 | 2.84 | Australian Regulator | Available | 6 Apr 2028 | AHW0623 |
| Rinnai | MS250560C30 | 250 | - | 1.92 | New Zealand Regulator | Available | 14 Apr 2123 | ZHW0401 |
| Rinnai | MS250560CT30 | 250 | - | 1.94 | New Zealand Regulator | Available | 14 Apr 2123 | ZHW0402 |
| Rinnai | MS250560C20 | 250 | - | 1.92 | New Zealand Regulator | Available | 16 May 2123 | ZHW0405 |
| Rinnai | MS250560CCT20 | 250 | - | 1.92 | New Zealand Regulator | Available | 16 May 2123 | ZHW0405 |
| Rinnai | MS250560CCT30 | 250 | - | 1.92 | New Zealand Regulator | Available | 16 May 2123 | ZHW0405 |
| Rinnai | MS250560CD30 | 250 | - | 1.92 | New Zealand Regulator | Available | 16 May 2123 | ZHW0405 |
| Rinnai | MS250560CT20 | 250 | - | 1.92 | New Zealand Regulator | Available | 16 May 2123 | ZHW0405 |
| Rinnai | MS250560CTD20 | 250 | - | 1.92 | New Zealand Regulator | Available | 16 May 2123 | ZHW0405 |
| Rinnai | MS250560CTD30 | 250 | - | 1.92 | New Zealand Regulator | Available | 16 May 2123 | ZHW0405 |
| Rinnai | MS250560CTU20 | 250 | - | 1.92 | New Zealand Regulator | Available | 16 May 2123 | ZHW0405 |
| Rinnai | MS250560CTU30 | 250 | - | 1.92 | New Zealand Regulator | Available | 16 May 2123 | ZHW0405 |
| Rinnai | MS250560CU30 | 250 | - | 1.92 | New Zealand Regulator | Available | 16 May 2123 | ZHW0405 |
| Rinnai | MS250560C30 | 250 | - | 1.92 | New Zealand Regulator | Available | 16 May 2123 | ZHW0405 |
| Peter Cocks | 25056SDB15 | 250 | - | 2.16 | New Zealand Regulator | Available | 2 Jul 2123 | ZHW0406 |
| RHEEM | 32525015 | 250 | - | 2.16 | New Zealand Regulator | Available | 7 Jul 2123 | ZHW0410 |
| RHEEM | 32525015-H | 250 | - | 2.16 | New Zealand Regulator | Available | 7 Jul 2123 | ZHW0410 |
| RHEEM | 325250XX | 250 | - | 2.16 | New Zealand Regulator | Available | 7 Jul 2123 | ZHW0410 |
| TRIUMPH | 25727 | 250 | - | 1.91 | New Zealand Regulator | Available | 22 Apr 2121 | ZHW0360 |
| TRIUMPH | 00250575M | 250 | - | 1.91 | New Zealand Regulator | Available | 22 Apr 2121 | ZHW0360 |
| AquaMAX Pro-tec | 9P1250Rx | 250 | 250 | 2.64 | Australian Regulator | Available | 26 Mar 2029 | AHW0654 |
| RHEEM | 16922515 LP 225L 560x1520H 3kW | 225 | Not Applicable - Application for MEPS in NZ Only | 1.75 | New Zealand Regulator | Available | - | ZHW0074 |
| RHEEM | 16522515 LP 225L 560x1520H BCRL 3kW | 225 | Not Applicable - Application for MEPS in NZ Only | 1.75 | New Zealand Regulator | Available | - | ZHW0073 |
| RHEEM | 14922515 LP 225L 610x1245H 3kW | 225 | Not Applicable - Application for MEPS in NZ Only | 1.78 | New Zealand Regulator | Available | - | ZHW0072 |
- [*] "N/A" results are from models registered under the old Determination/Regulation, yet comply with the new Determination/Regulation's Minimum Energy Performance Standard