York S1-1474-0041 Ignition Module Freon the system will lockout for

the system will lockout for safety

The Truline series typically uses a different thermal or multi-pen configuration depending on the specific model

many L145-40F limit switches share specifications

Most technicians use this to verify the board switches the reversing valve and engages the auxiliary heat signal at the X2 terminal

York S1-1474-0041 Ignition Module Freon the system will lockout forAs a veteran in the field, you know that intermittent ignition issues on mid 80s to mid 90s Coleman units often trace back to a failing York S1 1474 0041 Ignition Module. This genuine OEM HSI control board is the designated replacement for Fenwal 1474 001 and Fenwal 1474 002 series modules. It is engineered specifically for direct flame sense systems, meaning it monitors the burner through the igniter itself without a secondary sensing rod. This