MACON 270L (MAHRW010ZAB-270(01))
Rebates up to
$600
STC $600
Replace-electric, medium household, best zone. Enter your postcode below for exact figures.
VIC Solar Homes rebate
$1,000
50% of installed price, point-of-sale. Stacks with STC/VEEC above.
VIC only. Assumed eligible, not confirmed against the live Solar Victoria product list.
Register data as at CER (STC) 2026-04-30
Specifications
| Type | Integral all-in-one |
| Refrigerant | R134A |
| Tank volume | 270 L |
| Rated heating capacity | 4.1 kW |
| Rated power input | 1.15 kW |
| Sound level | 50 dB(A) |
| Hot water delivery | 60 °C |
| Operating ambient | -5 to 45 °C |
| Tank height | 1630 mm |
| Tank weight (empty) | 100 kg |
| Warranty | Tank 10 (pure water supply; 8 with Tanamet Crystal filter for mineralised/rain water, else 3), parts 3, labour 1 |
Specs from: Siddons Solarstream MAHRW010ZAB-270(01) Owner's Manual (ManualsLib); public CER SRES / VEU / ESS registers.
Certificate rebate by postcode
Registered certificate values
Every scheme this model is registered for, by zone. STCs at $40, VEECs at $85, ESCs at $30 (reference prices as at 2026-07-07). Claim year 2026, medium household.
SRES — STCs (national)
| Zone 1 | 12 STCs | $480 |
| Zone 2 | 12 STCs | $480 |
| Sydney (Z3) | 14 STCs | $560 |
| Melbourne (Z4) | 15 STCs | $600 |
| Canberra (Z5) | 14 STCs | $560 |
VEU — VEECs (Victoria)
Not yet registered for VEECs.
ESS — ESCs (NSW)
Not yet registered for ESCs.
Certificate counts are computed from the model's registered performance data using the current regulated equations. A lodged claim depends on the specific installation, household size, and the scheme rules in force at creation. Energy savings % is against the AS/NZS 4234:2021 reference electric storage water heater for that zone, medium household, calculated from the model's registered performance data.
The MACON 270L is an all-in-one air source heat pump water heater sold in Australia under the Siddons Solarstream brand (model MAHRW010ZAB-270(01)): a single cabinet with the compressor mounted above a 270 L storage tank. It uses R134A refrigerant, delivers 4.1 kW of heating with a rated power input of 1.15 kW, and operates in ambient temperatures from -5 to 45 degrees C. Rated performance is measured at 7 degrees C dry bulb / 6 degrees C wet bulb outdoor air, 20 degrees C water inlet, 60 degrees C water outlet.
The unit heats to a rated outlet temperature of 60 degrees C (70 degrees C maximum) and carries a pressure-relief valve rated at 850 kPa. Sound output is 50 dB(A) and the cabinet is IPX4 rated. The tank stands 1630 mm high on a 735 x 735 mm footprint and weighs 100 kg net (108 kg gross).
Warranty is 10 years on the tank with pure water supply (8 years with a Tanamet Crystal filter in mineralised or rainwater areas, otherwise 3 years), 3 years on all other parts, and 1 year on labour. The same physical unit is registered without the “(01)” suffix as MAHRW010ZAB-270.
Registered model codes
MAHRW010ZAB-270, MAHRW010ZAB-270(01)
Homeowners
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