While it shares a 23-inch diameter and 1/2-inch bore

The Field Controls 46399363 Control Kit (Model CK-63) is a specialized 120 VAC system control engineered for oil-fired power venting applications

including compressor staging

polarity on the low-voltage side does not affect the switching mechanism

Heil Quaker ICP 34335000 Limit Switch Freon While it shares a 23-inchThe Heil Quaker ICP 34335000 Limit Switch is a critical safety component designed for precise thermal regulation in International Comfort Products (ICP) furnace and air handling units. Engineering specifications define this as an L160 20F auto limit switch, meaning the thermal disc is calibrated to open the circuit at a 160? F high limit set point and automatically reset when temperatures drop to 140? F. This OEM replacement part (also referenced as