Description
The International Comfort Products 1191249 is an OEM replacement SPST (Single-Pole, Single-Throw) pressure switch rated at -0.27″ water column (WC). Designed specifically for use in International Comfort Products heating systems, this pressure switch monitors negative draft pressure produced by the inducer motor to verify proper venting before allowing the furnace ignition sequence to proceed — a critical safety function in modern gas furnaces.
How It Works
The pressure switch senses the negative pressure created by the draft inducer blower. If the correct pressure level is not achieved — indicating a blocked flue, failed inducer motor, or other venting issue — the switch remains open and prevents the burner from firing. This safeguard protects against dangerous combustion gas spillage into the living space.
Key Features
- OEM replacement part for International Comfort Products (ICP) furnaces
- SPST (Single-Pole, Single-Throw) switching configuration
- Set point: -0.27″ water column (WC)
- Monitors inducer draft pressure for safe ignition sequencing
- Direct drop-in replacement for original equipment — no modifications required
- Engineered for reliable, long-term performance in residential and light commercial heating applications
Application
- Compatible with select International Comfort Products (ICP) gas furnace models
- Verify compatibility with your specific unit model number prior to installation
Installation Notes
Always disconnect power to the furnace before servicing. Replace only with the correct set-point pressure switch as specified by the equipment manufacturer. Consult the furnace service manual for wiring diagrams and mounting locations.
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