What it delivers
The Seelink TANK001-1 Expansion Tank is a water heater part whose listing says it fits most water heater lines.
Match the part to the exact heater model and its manual before ordering.
Tank volume, per the listing: 2.1 gal.
Remote controllers and Wi-Fi modules work only with the heater series their maker lists.
Also on the listing: connections: 3/4-inch MNPT; model: TANK001-1; fits: most water heater lines.
The listing gives dimensions of 8 in (W) x 12.75 in (H) and thermal expansion tank in the box.
Right unit for this house?
Install it when
- Installing or servicing a tankless heater
- Matching a part named in the manual
Look at another unit when
- Heaters it doesn't name
Strengths and trade-offs
Strengths
- Water heater part
- Names most water heater lines
Trade-offs
- Fit depends on the heater model
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 | TANK001-1 | Retailer |
|---|---|---|
| Tank | 2.1 gal | Retailer |
| Dimensions (seller) | 8"W x 12.75"H | Retailer |
| Connections | 3/4-inch MNPT | Retailer |
| Fits | most water heater lines | Retailer |
Rival units at this flow
More venting and install parts rated for similar demand
Final verdict
A practical water heater part for installing or servicing a tankless heater.
Buy this unit
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