Product
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| Brand | Model | 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 |
| Cortez-Williams | XG1MAR79 | 424 | 400 | 3.07 | Australian Regulator | Unavailable | 19 May 2026 | AHW0025 |
| Cortez-Williams | IJM3DERUQ | 140 | 125 | 1.95 | Australian Regulator | Unavailable | 19 May 2026 | AHW0024 |
| Cortez-Williams | JEIX0BDTH | 140 | 125 | 1.95 | Australian Regulator | Unavailable | 19 May 2026 | AHW0024 |
| Cortez-Williams | JQD0K1 | 140 | 125 | 1.95 | Australian Regulator | Unavailable | 19 May 2026 | AHW0024 |
| Cortez-Williams | P5Z489RB | 140 | 125 | 1.95 | Australian Regulator | Unavailable | 19 May 2026 | AHW0024 |
| Cortez-Williams | DC5036Y | 140 | 125 | 1.95 | Australian Regulator | Unavailable | 19 May 2026 | AHW0024 |
| Cortez-Williams | GCNE5YQF | 270 | 250 | 2.64 | Australian Regulator | Unavailable | 19 May 2026 | AHW0022 |
| Cortez-Williams | HKY8TR3 | 270 | 250 | 2.64 | Australian Regulator | Unavailable | 19 May 2026 | AHW0022 |
| Cortez-Williams | Q56JG7R | 270 | 250 | 2.64 | Australian Regulator | Unavailable | 19 May 2026 | AHW0022 |
| Cortez-Williams | BVKY43P61 | 270 | 250 | 2.64 | Australian Regulator | Unavailable | 19 May 2026 | AHW0022 |
| Cortez-Williams | 4E15FM | 270 | 250 | 2.64 | Australian Regulator | Unavailable | 19 May 2026 | AHW0022 |
| Cortez-Williams | DEX0VYQ | 179 | 160 | 2.16 | Australian Regulator | Unavailable | 17 Jun 2026 | AHW0021 |
| Cortez-Williams | 9XUK7WIT | 179 | 160 | 2.16 | Australian Regulator | Unavailable | 17 Jun 2026 | AHW0021 |
| Cortez-Williams | AEBGL7 | 179 | 160 | 2.16 | Australian Regulator | Unavailable | 17 Jun 2026 | AHW0021 |
| Cortez-Williams | QFBZH513 | 179 | 160 | 2.16 | Australian Regulator | Unavailable | 17 Jun 2026 | AHW0021 |
| Cortez-Williams | FKTQOY | 179 | 160 | 2.16 | Australian Regulator | Unavailable | 17 Jun 2026 | AHW0021 |
| Lindsey-Shaw | 98RCTAV5 | 315 | 315 | 2.86 | Australian Regulator | Unavailable | 2 Mar 2026 | AHW0015 |
| Ellison Ltd | VS39KN | 88 | 80 | 1.30 | Australian Regulator | Unavailable | 4 Feb 2026 | AHW0013 |
| Ellison Ltd | 0NK2SHOQ7 | 88 | 80 | 1.30 | Australian Regulator | Unavailable | 4 Feb 2026 | AHW0013 |
| Ellison Ltd | O1B7RH9 | 88 | 80 | 1.30 | Australian Regulator | Unavailable | 4 Feb 2026 | AHW0013 |
- [*] "N/A" results are from models registered under the old Determination/Regulation, yet comply with the new Determination/Regulation's Minimum Energy Performance Standard