The Carrier HH12ZB220 Limit Switch is a critical safety component designed for high-limit protection in residential furnaces

Durable Synthetic Material: Designed to withstand the corrosive nature of furnace condensate without cracking

including the M9208-150 crankarm and heavy-duty ball joint

making it a reliable choice for defrost termination sensing

Trane WHL0702 Blower Wheel 30067439-890 The Carrier HH12ZB220 Limit SwitchThe Trane WHL0702 Blower Wheel is a high performance direct drive blower wheel engineered for precise air distribution in residential and commercial furnaces and air handlers. Built from durable galvanized steel, this 9. 5 x 9. 5 blower wheel is balanced to ensure smooth, vibration free operation, which is critical for extending the life of your motor bearings. Featuring a 1 2 inch bore and counter clockwise (CCW) rotation, it serves as an exact OEM