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Key Benefits Optimized Airflow Geometry: The 24-inch diameter is precision-tapered to guide air efficiently through the fan assembly
Optimized Ignition: The 10kV / 23mA output provides a consistent
you must install an R-3710 Series 0
Key Benefits for Contractors Precise Dual Fuel Logic: Enables the ZoneFirst H32P control panel to automatically toggle between air-source heating and fossil fuel auxiliary heat
Enhanced Safety Logic: Precisely monitors air draft to prevent combustion cycles during venting failures or blocked flue conditions
Fenwal 35-652505-003 Ignition Module 30067439-890 Key Benefits Optimized Airflow Geometry:The Fenwal 35 652505 003 Ignition Module is a professional grade, microprocessor based Hot Surface Ignition (HSI) control designed specifically for Laars water heaters and boiler systems. As a critical component of the Fenwal 35 65 series, this module utilizes advanced logic to supervise the sequence of operation, including the inducer motor, pressure switch monitoring, and remote flame sensing. It features a field selectable 120 240 VAC input,
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