The mode is determined by the internal jumper settings (J2)

As a veteran-grade general purpose limit switch

Industrial-Grade Reliability: Built for continuous duty in high-temperature HVAC cabinets with a focus on stable inductance

ensuring streamlined field repairs

While primarily used in heating for boiler protection and temperature mixing

Heil Quaker ICP 1014490 Heat Exchanger Freon The mode is determined byThe Heil Quaker ICP 1014490 Heat Exchanger is an essential OEM replacement component designed for compatibility with specific ICP gas furnace models, including those under the Heil, Quaker, Comfortmaker, and Tempstar brands. Constructed to withstand high temperature cycling and combustion byproducts, this primary heat exchanger ensures efficient thermal transfer within the furnace cabinet. As a direct ICP furnace replacement part, it maintains the