What it delivers
The Rinnai RE140eP Propane Tankless Water Heater is a propane tankless with a 41,096 BTU/h burner and a stated maximum flow of 5.3 GPM.
At a 45°F rise (mild inlet water to a 120°F set point) it holds about 1.4 GPM, less than one 2 GPM shower; in winter, at a 70°F rise, about 0.9 GPM, less than one 2 GPM shower. Check it against your own fixtures.
At full fire it burns about 0.4 gallons of propane an hour. The gas line has to carry that on top of the furnace, range and dryer; a gas fitter sizes the pipe from its length and the total load.
Non-condensing indoor units run hot exhaust and vent in the maker's listed vent system (often stainless Category III), which costs more than plastic.
From the listing: features: LED Display; connectivity: WiFi; material: Copper, Stainless Steel; model: RE140eP; warranty: 1 Year Labor, 5 Year Parts.
The listing gives dimensions of 14.05 in (W) x 24.64 in (H) and a weight of 22.68 kg.
Warranty, per the listing: 1 Year Labor, 5 Year Parts.
Right unit for this house?
Install it when
- One shower at a time in cold climates
- Propane homes
- Replacing a gas tank heater
Look at another unit when
- More than 1 winter shower at once
- Homes without a gas line
Strengths and trade-offs
Strengths
- 41,096 BTU/h input
- Up to 5.3 GPM
Trade-offs
- Gas pipe sizing to confirm
- Stainless venting costs more
- Annual flushing on hard water
Install limits
- Figures are the maker's or seller's own. Flow at a rise is our estimate from the input; gas, venting and electrical work needs a licensed professional.
Rated performance
Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.
| Model number | RE140eP | Retailer |
|---|---|---|
| Dimensions (seller) | 14.05"W x 24.64"H | Retailer |
| Features (seller) | LED Display | Retailer |
| Voltage | 120 V | Retailer |
| Max flow (maker) | 5.3 GPM | Retailer |
| Input (maker) | 41,096 watts | Retailer |
| Product weight | 22.68 kg | Retailer |
| Material | Copper, Stainless Steel | Retailer |
| Warranty | 1 Year Labor, 5 Year Parts | Retailer |
| Fuel | Propane | Retailer |
| Condensing | non-condensing | Retailer |
| Connectivity | WiFi | Retailer |
Rival units at this flow
More gas tankless water heaters rated for similar demand
- Rinnai RE140iP Propane Tankless Water Heater
- Rinnai RE160iP Propane Tankless Water Heater
- VancEpic V-RH8K-LPG 80,000 BTU Propane Tankless Water Heater
- VELPAX VX-CT06 Propane Tankless Water Heater
Full gas tankless water heaters spec grid · Every Rinnai unit in the catalog
Final verdict
A solid propane tankless for one shower at a time in cold climates.
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