Carrier 12100102000073 Blower Wheel 320074-702 For systems exceeding 2 PSI

For systems exceeding 2 PSI (up to 5 PSI)

When troubleshooting ignition failure or short-cycling in Weil McLain gas boilers

this combustion air blower provides the reliable draft needed to exhaust toxic flue gases and keep residential heating systems operating within their designed safety parameters

18 AWG shielded twisted-pair wire is recommended

Carrier 12100102000073 Blower Wheel 320074-702 For systems exceeding 2 PSIThe Carrier 12100102000073 Blower Wheel is a precision engineered OEM replacement part designed to restore critical airflow in specialized Carrier and Payne HVAC systems. This centrifugal blower wheeloften referred to in technical manuals as a cross flow fanfeatures a durable plastic construction, typically finished in a distinct blue, measuring approximately 37. 5 inches in length. It is a vital component for maintaining static pressure and ensuring