this low-voltage thermostat serves as a robust replacement part that facilitates consistent burner cycling and precise thermal management across expansive floor plans

ensuring no-gap fitment

Precision Voltage: Optimized for an open circuit mV range of 20 to 28 mV to minimize voltage drop issues across the lead

and 36G series valves

Optimized Thermal Management: Shaded pole design provides natural internal overload protection for continuous duty cycles

Lennox 15M20 Pressure Switch Els PW 17895 this low-voltage thermostat serves asThe Lennox 15M20 Pressure Switch is a critical safety component designed for precise draft proving in residential and commercial furnaces and rooftop units. This OEM Lennox 15M20 switch is a single pole, single throw (SPST) normally open configuration that closes when it detects a pressure fall of . 10"wc. Built with a 1 4" barb connection for easy hose attachment, this air proving switch ensures the combustion air inducer is pulling sufficient vacuum