Watts 0121504 Valve THPU32HP7Y The Heil Quaker ICP 1071058

The Heil Quaker ICP 1071058 Pressure Switch is an essential safety component engineered for precise vent pressure monitoring in medium to high-efficiency residential and light commercial HVAC units

reducing startup delays

which simplifies manifold pressure calibration

Durable Construction: Plated housings and silicone-compatible diaphragms ensure longevity in harsh combustion environments

This 44/27 PSI low pressure switch—also identified as the HK02ZB041A—is designed to protect the compressor by opening the control circuit if the suction pressure drops below 27 PSI

Watts 0121504 Valve THPU32HP7Y The Heil Quaker ICP 1071058The Watts 0121504, officially designated as the LF174A 125 1, is a heavy duty, lead free boiler pressure relief valve engineered for high capacity protection in hot water heating and domestic supply systems. This 1 inch NPT valve is ASME Section IV rated, featuring a 3,215,000 BTU hr steam discharge capacity at its fixed 125 psi setting. Constructed with a lead free copper silicon alloy body, it ensures compliance with modern potable water regulations