audible humming from the coil without gas flow

This kit is specifically sized for the larger 8-inch and 13-inch Honeywell pneumatic actuators

Lockout recovery is achieved by cycling the 24 VAC power at the thermostat or the main power supply for a minimum of 5 seconds

providing a seamless drop-in solution for contractors servicing Bard equipment

It features a 3/8-inch flare connection

Lochinvar & A.O. Smith 100208392 Switch 320819-301 audible humming from the coilAs an HVAC technician, you know that precise pressure monitoring is non negotiable for high efficiency combustion. The Lochinvar & A. O. Smith 100208392 Switch is a critical safety component designed to verify proper drafting and inducer performance. This OEM pressure switch features a highly sensitive 1 20" wc (0. 05 inches water column) set point, making it essential for detecting even minor pressure fluctuations that could lead to incomplete