✔ NZ Stocked
🛡 Official Warranty
📞 Need help? 0800 464 664
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Up to 75% Energy Savings* Provides highly efficient water heating, minimising energy consumption and lowering operating costs. |
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Dedicated to Sustainability Powered by only 150g (nominal charge) of high-efficiency R290 refrigerant with low Global Warming Potential and COP of 4.7.** |
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Renowned Quality Crafted with exceptional quality by Rinnai New Zealand, the trusted name in total home living. |
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HydraHeat® head unit designed and built in NZ Specifically designed for New Zealand climatic conditions (from -10°C to +42°C), as well as coastal locations. Operates in full heat pump mode right down to -10°C without the need for electric boosting. |
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Reliability The inbuilt electric element guarantees a consistent and dependable supply of hot water, at all times. |
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Modular ‘Heat Pump Ready’ Design Upgrade from a standalone HydraHeat® electric cylinder to Hot Water Heat Pump Technology by adding the HydraHeat® head unit. + + If not planning to upgrade to Hot Water Heat Pump Technology, the recommendation is to purchase a standard Rinnai cylinder best suited to your requirements. |
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Easy Servicing Removable Heat Pump unit allows for easy servicing, and ensures uninterrupted supply of hot water. |
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Frost Protection Built-in defrost and frost protection functions to handle colder climates. |
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NZ MEPS Compliant MEPS (Minimum Energy Performance Standard) means less heat loss from unit and less energy use, resulting in a more efficient product. Not all Hot Water Heat Pumps in New Zealand are MEPS compliant. |
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Warranties 5-year heat pump unit warranty and a 7-year cylinder warranty. |
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User Friendly Control Interface Features OLED screen and six operation modes for versatility. |
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6 Operation Modes Standard, Boost, Eco 55, Eco 50, High Usage, and Element Only. |
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Ideal for a Range of Residential Styles The 275L is suitable for homes of 2-5 people and the 340L is suitable for 2-7 people. Plus an operating sound level of only 45dB(A) makes it suitable for a wide range of homes, including built-up residential areas |
* When a comparison calculation is made to a 250L standard electric hot water cylinder when heating water from 19°C to 55 °C.
** Coefficient of Performance was measured at the following conditions: Inlet water temperature 19°C, Outlet Water temperature 55°C, Dry Bulb Temperature 19°C.
Product description
The Rinnai HydraHeat® is designed primarily for outdoor installations. It may be possible to install internally if the proposed location is not an occupied space as defined by AS/NZS 5149, consult a qualified installer prior to installation.
Scope of use
Primarily designed for residential applications.
Not suitable as a spa or swimming pool heater, or for hydronic applications. Hard and acidic water will need to be treated to use this product, refer water quality parameters in the support material (downloads).
275L – RHPN361A275E20
340L – RHPN361A340E20
275 L & 340 L
COP4.7 W/W
(inlet water temp 19 ºC, outlet water temp. 55 ºC, ambient temp. 19 ºC) .
Accredited Testing to AS/NZS 5125 by NATA accredited Provider.
Rated heat pump input / output802 W / 3725 W
In standard, eco 50/55 modes, the heat pump provides 100% of the heating within the operating range. Outside these limits the electric element will operate.
89 L/h
Recovery rate is calculated at Eco 55 mode, 19 ºC ambient temp., 36 ºC rise.
2 kW
Cylinder constructionEnamel
Head unit data label positionPositioned on the divider panel between the fan and compressor—to the right of the control panel.
Operating temperature-10 to 42 ºC
Noise level45 dB(A)
Sound pressure level measured at 1 m distance from the water heater in a free field. Appliance operated in standard mode (60 ºC) at an ambient temperature of 19 ºC.
R290 / 150 g (nominal charge)
Modes of operationStandard (factory preset) water stored at 60 ºC
Boost, one off electric boost to 70 ºC
Eco 55, water stored at 55 ºC
Eco 50, water stored at 50 ºC
High usage, water stored at 70 ºC (heat pump + electric element)
Element only (heat pump turned off, electric element heats water to 70 ºC
Shutdown (in standby, heat pump and electric element are turned off)
IPX4 header and cylinder
Market release275L Nov 2023
340L Oct 2024
We strongly recommend having all hot water heat pumps installed by a qualified professional. While installation costs will always vary from job to job, as a general guide you can expect to pay between $2,000 and $4,000.
For an accurate figure, please contact your local qualified plumbing expert for a tailored quote.
We get it. You've got a lot of choice when it comes to online retailers.
Here's why we think you should shop with us at The Off Grid Store.
We can deliver to almost anywhere in New Zealand, unfortunately there are a few exceptions such as Chatham Islands and for larger items and Great Barrier Island. Best prices online guaranteed.
30 Day Easy Returns. Not happy with your product, we'll take it back no
questions asked.
Great Service. We pride ourselves on the best service, anywhere.
Your Satisfaction Guaranteed. We handpick our products for quality, we
know you'll love them. But if there is ever something wrong, we'll fix it.
| Rinnai | N & S Island | N & S Island Rural |
|---|---|---|
| 16L A Series Infinity LPG Exterior | $25.00 | $30.00 |
| 20L A Series Infinity LPG Exterior | $25.00 | $30.00 |
| 24L A Series Infinity LPG Exterior | $25.00 | $30.00 |
| 26L A Series Infinity LPG Exterior | $25.00 | $30.00 |
| Rinnai EF26 Condensing CF External LPG | $25.00 | $30.00 |
| Rinnai HydraHeat® Integrated Hot Water Heat Pump | From $100 | Call for Quote |
|
Up to 75% Energy Savings* Provides highly efficient water heating, minimising energy consumption and lowering operating costs. |
|
|
Dedicated to Sustainability Powered by only 150g (nominal charge) of high-efficiency R290 refrigerant with low Global Warming Potential and COP of 4.7.** |
|
|
Renowned Quality Crafted with exceptional quality by Rinnai New Zealand, the trusted name in total home living. |
|
|
HydraHeat® head unit designed and built in NZ Specifically designed for New Zealand climatic conditions (from -10°C to +42°C), as well as coastal locations. Operates in full heat pump mode right down to -10°C without the need for electric boosting. |
|
|
Reliability The inbuilt electric element guarantees a consistent and dependable supply of hot water, at all times. |
|
|
Modular ‘Heat Pump Ready’ Design Upgrade from a standalone HydraHeat® electric cylinder to Hot Water Heat Pump Technology by adding the HydraHeat® head unit. + + If not planning to upgrade to Hot Water Heat Pump Technology, the recommendation is to purchase a standard Rinnai cylinder best suited to your requirements. |
|
|
Easy Servicing Removable Heat Pump unit allows for easy servicing, and ensures uninterrupted supply of hot water. |
|
Frost Protection Built-in defrost and frost protection functions to handle colder climates. |
|
|
NZ MEPS Compliant MEPS (Minimum Energy Performance Standard) means less heat loss from unit and less energy use, resulting in a more efficient product. Not all Hot Water Heat Pumps in New Zealand are MEPS compliant. |
|
|
Warranties 5-year heat pump unit warranty and a 7-year cylinder warranty. |
|
|
User Friendly Control Interface Features OLED screen and six operation modes for versatility. |
|
|
6 Operation Modes Standard, Boost, Eco 55, Eco 50, High Usage, and Element Only. |
|
|
Ideal for a Range of Residential Styles The 275L is suitable for homes of 2-5 people and the 340L is suitable for 2-7 people. Plus an operating sound level of only 45dB(A) makes it suitable for a wide range of homes, including built-up residential areas |
* When a comparison calculation is made to a 250L standard electric hot water cylinder when heating water from 19°C to 55 °C.
** Coefficient of Performance was measured at the following conditions: Inlet water temperature 19°C, Outlet Water temperature 55°C, Dry Bulb Temperature 19°C.
Product description
The Rinnai HydraHeat® is designed primarily for outdoor installations. It may be possible to install internally if the proposed location is not an occupied space as defined by AS/NZS 5149, consult a qualified installer prior to installation.
Scope of use
Primarily designed for residential applications.
Not suitable as a spa or swimming pool heater, or for hydronic applications. Hard and acidic water will need to be treated to use this product, refer water quality parameters in the support material (downloads).
275L – RHPN361A275E20
340L – RHPN361A340E20
275 L & 340 L
COP4.7 W/W
(inlet water temp 19 ºC, outlet water temp. 55 ºC, ambient temp. 19 ºC) .
Accredited Testing to AS/NZS 5125 by NATA accredited Provider.
Rated heat pump input / output802 W / 3725 W
In standard, eco 50/55 modes, the heat pump provides 100% of the heating within the operating range. Outside these limits the electric element will operate.
89 L/h
Recovery rate is calculated at Eco 55 mode, 19 ºC ambient temp., 36 ºC rise.
2 kW
Cylinder constructionEnamel
Head unit data label positionPositioned on the divider panel between the fan and compressor—to the right of the control panel.
Operating temperature-10 to 42 ºC
Noise level45 dB(A)
Sound pressure level measured at 1 m distance from the water heater in a free field. Appliance operated in standard mode (60 ºC) at an ambient temperature of 19 ºC.
R290 / 150 g (nominal charge)
Modes of operationStandard (factory preset) water stored at 60 ºC
Boost, one off electric boost to 70 ºC
Eco 55, water stored at 55 ºC
Eco 50, water stored at 50 ºC
High usage, water stored at 70 ºC (heat pump + electric element)
Element only (heat pump turned off, electric element heats water to 70 ºC
Shutdown (in standby, heat pump and electric element are turned off)
IPX4 header and cylinder
Market release275L Nov 2023
340L Oct 2024
We strongly recommend having all hot water heat pumps installed by a qualified professional. While installation costs will always vary from job to job, as a general guide you can expect to pay between $2,000 and $4,000.
For an accurate figure, please contact your local qualified plumbing expert for a tailored quote.
We get it. You've got a lot of choice when it comes to online retailers.
Here's why we think you should shop with us at The Off Grid Store.
We can deliver to almost anywhere in New Zealand, unfortunately there are a few exceptions such as Chatham Islands and for larger items and Great Barrier Island. Best prices online guaranteed.
30 Day Easy Returns. Not happy with your product, we'll take it back no
questions asked.
Great Service. We pride ourselves on the best service, anywhere.
Your Satisfaction Guaranteed. We handpick our products for quality, we
know you'll love them. But if there is ever something wrong, we'll fix it.
| Rinnai | N & S Island | N & S Island Rural |
|---|---|---|
| 16L A Series Infinity LPG Exterior | $25.00 | $30.00 |
| 20L A Series Infinity LPG Exterior | $25.00 | $30.00 |
| 24L A Series Infinity LPG Exterior | $25.00 | $30.00 |
| 26L A Series Infinity LPG Exterior | $25.00 | $30.00 |
| Rinnai EF26 Condensing CF External LPG | $25.00 | $30.00 |
| Rinnai HydraHeat® Integrated Hot Water Heat Pump | From $100 | Call for Quote |
