A super-high-efficiency 50-gallon (189 L) hybrid electric heat pump water heater designed to reduce residential water heating electricity consumption by up to 75%. Operating at an industry-leading 4.0 Uniform Energy Factor (UEF), the Rinnai REHP50C earns ENERGY STAR® Tier 4 certification and qualifies for highest-tier Canadian decarbonization incentives.
Technical specifications
| Heater Type | Tank (Storage) |
|---|---|
| Fuel Type | Electric |
| Warranty | Tank & All Other Parts & Components: 10 Years. Reasonable Labor: 1 Year. This Limited Warranty applies only to products that meet the requirements of a “qualified product installation” and are originally installed in the United States and Canada. Source: Rinnai warrantyWarranty is provided by the manufacturer under its own terms. See the source link for full details. |
Key features
- Up to 4.0 Uniform Energy Factor (UEF) — advanced heat pump compressor absorbs ambient thermal energy from surrounding basement air, transferring heat efficiently into stored water.
- Over 70% electricity savings — slashes annual electrical operating costs compared to standard electric resistance tank water heaters.
- Multiple operating modes — Heat Pump Only, Hybrid (Automatic), Electric High Demand, and Vacation mode to optimize efficiency based on household schedules.
- Top duct collar connections — enables direct ducting to exterior or mechanical spaces to manage ambient cool air exhaust in Canadian basements.
- Whisper-quiet operation — compressor and fan operate at a gentle sound level below 49 dB(A).
- Heavy-duty tank construction — commercial-grade glass lining and dual backup electric heating elements ensure rapid recovery during peak hot water demand.
Specifications
| Brand | Rinnai |
|---|---|
| Series | REHP Series Hybrid Electric Heat Pump |
| Nominal storage capacity | 50 US Gallons (189 L) |
| Uniform Energy Factor (UEF) | 4.00 |
| First Hour Rating (FHR) | 65 US Gallons (246 L) |
| Compressor type | Inverter rotary heat pump compressor |
| Refrigerant | Eco-friendly R134a |
| Electrical requirement | 240 V AC, 1 Phase, 60 Hz, 30 A dedicated breaker |
| Operating ambient air temperature range | 2 °C to 43 °C (35 °F to 110 °F) |
| Operating sound level | ≤ 49 dB(A) |
| Dimensions (H × Dia) | 68.0 × 22.0 in (172.7 × 55.9 cm) |
| Approximate shipping weight | 196 lb (89 kg) |
Before you buy
- Electrical service: Requires a dedicated 240 V, 30 A electrical circuit from the main electrical panel.
- Installation space: Requires a minimum unconfined room volume of 700 cubic feet (approx. 10 ft × 10 ft with 7 ft ceiling) or top ducting to adjacent spaces for proper airflow.
- Condensate drainage: Dehumidifying action produces clear condensate; requires nearby gravity drain, laundry tub, or condensate removal pump.
Documents
- Specification sheet — Rinnai REHP Hybrid Heat Pump (PDF)
- Installation and operation manual — Rinnai REHP (PDF)
- Product brochure — Rinnai Canada REHP Series (PDF)
Specifications from Rinnai Canada technical documentation. Subject to manufacturer revisions.
Installation & Safety Notice: Hybrid electric heat pump water heaters require a dedicated 240V circuit and condensate drain. Installation must be performed by a qualified plumber and licensed electrical contractor.
Common questions
Is installation included?
No. AVL Shop sells equipment only. Installation is done by an independent licensed contractor that you hire.
How is freight charged?
Freight cost is included in your written quote before you pay.
What warranty does this product have?
The manufacturer warranty applies. Where we have the manufacturer’s exact wording, it is shown in the Warranty row of the specifications on this page, with a link to the source.
How do I get a quote?
Use Request a quote on this page and send the model and your city or postal code.