The HydroClaw Expansion Tank Support Bracket provides a safe and reliable method to mount your expansion tank. This expansion tank bracket is easy to install and will hold any tank with a diameter of 11" nominal.
Designed for use in closed, potable hot water systems, Therm-X-Span accepts expanded water as system temperature rises. This hot water is returned to the system when demand occurs. A thermal expansion tank, like Therm-X-Span, is essential in a closed system to protect your water heater.
| Application: | Plumbing |
|---|---|
| Tank Volume: | 4.4 Gallons |
| Max Accept. Factor: | 0.73 |
| Connection Size: | 3/4" |
| Max Pressure (PSI): | 150 |
| Temperature Range (F): | 200°F MAX |
| Connection Type: | Threaded |
| Height (Inches): | 15" |
| Diameter (Inches): | 11" |
| Weight (lbs): | 9 lbs |
| Warranty: | 1 Year |

Turn off the water supply, open a faucet to release pressure, then change the tank. If you don't let off the pressure, when you disconnect the tank, you be sprayed by any residual pressure.
The tank will function in any position, but the manufacturer does not recommend mounting thermal expansion tanks horizontally. If unsupported, the tank could break off the pipe.
The only difference is the warranty: Amtrol warrants the Therm-X-Trol for five years and this model for one year.
Yes, this unit can be used for drinking water.
The need for an expansion tank in the domestic water system depends on the local code in your area. Please check with your installer or contact the local water department and they should have this information on the local codes.