Featuring a B 1 3/8-inch bore diameter

and 277V circuits without internal reconfiguration

Carrier HH18HA431 Limit Switch

25-inch insulation sleeve to protect internal wiring from radiant heat damage within the burner box

but avoid covering weld seams

Heil Quaker ICP 1014705 Door Louvered 322838-754 Featuring a B 1 3/8-inchFor contractors servicing high efficiency HVAC equipment, the Heil Quaker ICP 1014705 Door Louvered is a critical OEM furnace replacement door engineered specifically for ventilation and structural integrity. This ICP 1014705 replacement part, also identified by high performance designation Door Louvered P320, ensures proper airflow to the burner assembly while protecting internal components from debris. Designed for multi brand interoperability, this