Heil Quaker ICP 1008445 Limit Switch preventing short-cycling and protecting the

preventing short-cycling and protecting the heat exchanger from excessive thermal stress

as long as the enclosure is NEMA-rated for the environment

As a direct OEM replacement for ADFA-20 and ADFA-20-1

While the hole patterns may align with other units

This part features an integrated flange for airstream mounting

Heil Quaker ICP 1008445 Limit Switch preventing short-cycling and protecting theWhen 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