The Fenwal 35-755900-009 is a microprocessor-based Hot Surface Ignition (HSI) Control Board engineered for precise sequence timing and reliable flame supervision in 120 VAC gas-fired appliances

utilizing the genuine Carrier HVAC gasket 5H60-502 ensures a reliable

The Ranco J10-821 Humidistat is a professional-grade mechanical control engineered for precise relative humidity management in residential and light commercial HVAC systems

With internal dimensions of 6 1/2" H x 6 5/8" W x 3 1/4" D

The 350 degree F manual reset limit triggers when flames "roll out" toward the burner front rather than being drawn through the heat exchanger

Schneider Electric (Barber Colman) M313A01 Actuator R-410A The Fenwal 35-755900-009 is aThe Schneider Electric M313A01 Actuator (formerly Barber Colman) is a high performance proportional valve actuator designed for precise flow control in demanding HVACR environments. Engineered for 24V AC operation, this spring return (SR) unit is normally open (N O), ensuring a safe fail position for hot or chilled water applications. As a SmartX Smart X actuator, it is the direct replacement for M113A01 models, offering a seamless upgrade with tool