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Reliable Integration: Integrated end switches allow for 100% confirmation of damper position to the zoning system
the SP610130 provides superior conductivity and resists scale buildup in standard water conditions
When addressing intermittent pilot failures or updating HVAC standing pilot assemblies
5 Cv rating is optimized for 3/4" piping to maintain proper pressure drop and minimize noise in residential and commercial zones
This HVAC zone sensor communicates analog temperature data directly to the controller's analog input
Fenwal 35-665036-111 Control 30067439-890 Reliable Integration: Integrated end switchesThe Fenwal 35 665036 111 is a microprocessor based Hot Surface Ignition (HSI) Control engineered for precise sequencing in gas fired HVAC systems. Designed as a robust 24 VAC solution, this module integrates an on board inducer blower relay to manage combustion airflow before and after the burner cycle. It features a critical 15 second pre purge (15sPP) to clear the combustion chamber and a 4 second Trial For Ignition (TFI) window, ensuring dependable