excessive voltage spikes

How do I identify a failing pneumatic actuator diaphragm

Universal 440V/370V Compatibility: Rated for up to 440VAC

Drop-in Fitment: Standard mounting and terminal configurations allow for fast field replacement in York and Johnson Controls equipment

This unit is rated for 40VA

Heil Quaker ICP 1008445 Limit Switch excessive voltage spikesWhen you're dealing with a furnace that is short cycling or hitting a hard lockout, the Heil Quaker ICP 1008445 Limit Switch is the OEM replacement part required to restore circuit integrity. This is a normally closed (NC) disc type switch specifically calibrated as a 190F main limit switch with a 20F differential. It serves as the primary safety mechanism for International Comfort Products (ICP) systems, ensuring the gas valve de energizes if the