What it delivers
The EFIELD TOOL028 3/4" Tankless Isolation Valve Kit is a pair of tankless service valves for flushing and isolating the heater; its listing says it fits all 3/4 inch NPT thread which is suitable for residential &commercial gas tankless.
Service valves let you shut off the heater and open hose ports on the hot and cold lines, so a flush takes minutes instead of cutting pipes.
Match the connection type (threaded IPS, sweat or push-fit) and size, usually 3/4 inch, to the heater and the pipe; most kits put the relief valve port on the hot side.
Also on the listing: connections: 3/4 inch NPT; material: Brass; model: TOOL028.
The listing gives dimensions of 9.5 x 7 x 4.5 inches.
Right unit for this house?
Install it when
- New tankless installs
- Owners who flush their own heater
Look at another unit when
- Heaters whose manual calls for a different method
Strengths and trade-offs
Strengths
- Isolation valve kit
- Names all 3/4 inch NPT thread which is suitabl
Trade-offs
- Check the connection size first
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 | TOOL028 | Retailer |
|---|---|---|
| Material | Brass | Retailer |
| Dimensions (seller) | 9.5 x 7 x 4.5 inches | Retailer |
| Connections | 3/4 inch NPT | Retailer |
| Fits | all 3/4 inch NPT thread which is suitable for residential &commercial gas tankless | Retailer |
Rival units at this flow
More descaling and maintenance kits rated for similar demand
Final verdict
A practical isolation valve kit for new tankless installs.
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