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Direct Supercession: The 20212412 replaces the legacy 20212411 model with updated internal metallurgy
this blower control board provides the precise timing and voltage regulation required for 96% AFUE systems
with a concealed differential adjustment to prevent unauthorized tampering
Standardized Threading: Features 3/4 inch NPT ports for direct integration with existing gas manifold plumbing
Field Serviceability: Modular T-series design allows for quick power element swaps to restore system functionality
Fenwal 35-655005-211 Ignition Module 326058-755 Direct Supercession: The 20212412 replacesThe Fenwal 35 655005 211 is a microprocessor based 24 VAC Hot Surface Ignition (HSI) Control engineered for precise management of gas fired appliances. This ignition module features a 30 second pre purge cycle and a 4 second Trial for Ignition (TFI), ensuring the combustion chamber is cleared before the 24V or 120 240V gas valve is energized. Built for durability in demanding environments, it operates within a temperature range of 40F to 176F and
