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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
it serves as the direct cross of B1340004 and B1340020 part numbers
making it an essential component for condenser fan cycling control and high-pressure safety monitoring
Built to exacting factory tolerances
eliminating the need for external power in standing pilot configurations
Wayne Combustion 21427-SER Blower Wheel 320788-702 it serves as the directWayne Combustion 21427 SER Blower Wheel 3. 44"W x 4. 25" OD STD is an OEM combustion air component used in Wayne burner assemblies to maintain proper airflow and stable fuel ignition. This standard size blower wheel is engineered for balanced air delivery, helping the burner achieve the correct air to fuel ratio for efficient combustion and consistent flame performance. Contractors typically replace this part during burner servicing when airflow