The relay is rated for 10A resistive at 250VAC and 1/3 HP at 120VAC

a field-adjustable pressure switch should be sourced

Precise Thermal Calibration: Calibrated to open exactly at 300 degrees F to prevent heat exchanger damage and hazardous exhaust leaks

it ensures seamless integration and maintains the intended internal safety parameters of your furnace or air handler

This OEM Lochinvar replacement part features a standard plug-in or spade-terminal footprint for rapid installation during emergency service

Johnson Controls T-4756-205 Thermostat Els PW 29614 The relay is rated forThe Johnson Controls T 4756 205 is a professional grade horizontal pneumatic thermostat designed for high volume dual temperature control in commercial pneumatic HVAC systems. Engineered for heating cooling changeover applications, this unit operates with a 15 psig reverse acting signal for heating and a 20 psig direct acting signal for cooling. The high volume output relay ensures rapid response times and consistent pressure delivery to terminal