What it delivers
The Feelrogast WHD-BU040 4-Gallon Mini-Tank Water Heater is a mini-tank heater holding 4 gallons, rated at 1500.
A mini tank delivers its stored gallons at full flow, then recovers; it is the quick fix for a sink that waits a minute for hot water.
From the listing: connections: 1/2" npt; material: Stainless Steel; model: WHD-BU040.
The listing gives dimensions of 11.81 in (W) x 14.17 in (H) and valve in the box.
Right unit for this house?
Install it when
- One sink far from the main heater
- Wet bars, garages and offices
Look at another unit when
- Showers or whole-house use
- Long continuous draws
Strengths and trade-offs
Strengths
- 4-gallon tank
- Hot water at the tap in seconds
Trade-offs
- Runs out after its stored gallons
- Tank takes cabinet space
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 | WHD-BU040 | Retailer |
|---|---|---|
| Tank | 4 gal | Retailer |
| Dimensions (seller) | 11.81"W x 14.17"H | Retailer |
| Features (seller) | High Water Pressure Protection, Overheat Protection, Pressure Release Valve, Temperature Lock | Retailer |
| Power | 1500 | Retailer |
| Material | Stainless Steel | Retailer |
| Breakers (maker) | 20-amp breaker | Retailer |
| Connections | 1/2" npt | Retailer |
Rival units at this flow
More point-of-use water heaters rated for similar demand
- Ranein RC40G-W 4-Gallon Mini-Tank Water Heater
- VEVOR FJI-POR-30S2 6-Gallon Mini-Tank Water Heater
- VancEpic V-RC25G 2.5-Gallon Mini-Tank Water Heater
- Feelrogast WHC-BU040 4-Gallon Mini-Tank Water Heater
Full point-of-use water heaters spec grid · Every Feelrogast unit in the catalog
Final verdict
A solid mini-tank heater for one sink far from the main heater.
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