this OEM-spec auxiliary heat kit features pre-terminated wiring harness connections and integrated thermal limit protection to prevent overheating

providing versatile integration for normally open or normally closed logic

If the limit switch stays open even after the system cools down

Direct 120V Operation: Designed for standard 120VAC power supply circuits

When should a boiler pressure relief valve be replaced

Carrier LA22RB575 Wheel 30067439-890 this OEM-spec auxiliary heat kitThe Carrier LA22RB575 Blower Wheel is a critical OEM replacement part designed for high performance air movement in residential and light commercial HVAC systems. This centrifugal blower wheel is engineered from durable galvanized steel, ensuring structural integrity and corrosion resistance during high static operation. With a width of 5 3 4 inches and a diameter of 7 3 4 inches, this squirrel cage fan is balanced to eliminate vibration, protecting