Watts Water Technologies 67371 PLT-12 4.5-Gallon Potable Water Expansion Tank
Upgrade your water heater system with the Watts 67371 PLT-12 4.5-Gallon Potable Water Expansion Tank to efficiently control thermal expansion. This tank is designed to absorb increased water volume and maintain balanced pressure, ensuring a long system life.
Why You’ll Love It
- Air pre-charged at 20 psi for quick installation
- Prevents over-pressure due to thermal expansion
- Features a Butyl rubber diaphragm for durability
- Easy 3/4 IN male connection for hassle-free setup
FAQ
What is the maximum pressure this tank can handle?
The maximum pressure is 150 psi (10 bar).
Is this expansion tank certified for safety standards?
Yes, it is IAPMO listed and ANSI/NSF 61 certified.
How does the expansion membrane benefit the system?
It prevents air-to-water contact, ensuring a long system life.
This potable water expansion tank is used on gas, oil, or electric, direct-fired, residential water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T&P relief valve setting. This field-adjustable steel tank is air pre-charged at 20 psi, volume 4.5 gallons, designed with an FDA-approved polypropylene liner and Butyl rubber diaphragm, copper-lined steel, and 3/4 inch male inlet connection. An expansion membrane prevents air-to-water contact in the tank ensuring a long system life. IAPMO listed and ANSI/NSF 61 certified. The maximum pressure is 150 psi (10 bar).
Product Features:
- Air pre-charge at 20 psi
- Prevents over-pressure caused by thermal expansion
- 3/4 IN male connection
- Butyl rubber diaphragm
Product Specs:
| Brand | Watts |
| Buy American Act Compliant | NO |
| Diameter | 10 1/2 IN |
| Inlet Connection Size | 3/4 IN |
| Inlet Connection Size-Metric | 20 MM |
| Inlet Connection Type | Male Threaded |
| Lead Free | YES |
| Maximum Operating Temperature-Fahrenheit | 200 |
| Maximum Working Pressure-PSI | 150 |
| Mount Type | Pipe |
| Tank Acceptance | 3.42 Gallons at 20 PSI |
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