Watts PLT-12 Potable Water Expansion Tank, 3/4 In Male Connection, Tank Volume 4.5 Gallons 0067371 EZSTL8WSLC Outdoor with UV-resistant case and

Outdoor with UV-resistant case and hinged locking door (EVO-4OD)

and fixture wattage rating

Calculations show pressure-reducing valves can save as much as 30% on domestic water heating costs

A pressure vacuum breaker cannot be installed where back-pressure could occur or where spillage of water from vent could cause damage

Watts PLT-12 Potable Water Expansion Tank, 3/4 In Male Connection, Tank Volume 4.5 Gallons 0067371 EZSTL8WSLC Outdoor with UV-resistant case andPotable Water Expansion Tank, 3 4 In Male Connection, Tank Volume 4. 5 Gallons 0067371 Lead Free: YES 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.