Watts 0121575 Valve 320788-702 Engineered as a direct replacement

Engineered as a direct replacement for Sterling part number J14R03245-012

Common HVAC Contractor Questions: Is the R40403-003 compatible with older 40403-001 units

The heavy-duty construction is designed to withstand the rigorous demands of industrial HVAC pressure relief applications

The Reznor 135202 (AL54-1) is a precision-engineered blower sheave designed for reliable power transmission in industrial and commercial HVAC systems

it is designed to intentionally break the burner circuit once the 250°F temperature threshold is reached

Watts 0121575 Valve 320788-702 Engineered as a direct replacementThe Watts 0121575 is a high capacity ASME Section IV water pressure relief valve engineered for commercial hot water heating and domestic supply boiler systems. Built with a lead free copper silicon alloy body, the Watts LF174A 2 inch valve is designed to manage thermal expansion and provide overpressure protection in demanding mechanical rooms. This model features a 150 PSI pressure setting and is capable of a massive steam discharge capacity of