Description
The International Comfort Products 1191553 is an OEM replacement vent pressure switch designed to ensure safe and efficient furnace operation. This critical safety component monitors the negative pressure created by the draft inducer motor to confirm proper venting before allowing the ignition sequence to proceed, protecting your system from dangerous flue gas backdrafting.
Key Features
- OEM replacement part for International Comfort Products furnaces
- Monitors draft inducer pressure to verify adequate venting
- Prevents ignition if proper vent pressure is not established
- Helps protect against flue gas backdrafting and carbon monoxide hazards
- Direct drop-in replacement for simplified installation
- Built to OEM specifications for reliable, long-lasting performance
Application
- Designed for use with compatible International Comfort Products (ICP) furnace models
- Works in conjunction with the draft inducer assembly to verify safe venting conditions
- Ideal for service technicians performing maintenance or component replacement
Why Replace Your Vent Pressure Switch?
A faulty vent pressure switch is a common cause of furnace lockout and no-heat calls. When the switch fails, it may prevent the furnace from firing even when venting is adequate, or — more critically — allow operation when venting is compromised. Replacing a failed switch with a genuine ICP part restores proper safety sequencing and system reliability.







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