Description
Armstrong Furnace R100684-04 Pressure Switch Overview
The Armstrong Furnace R100684-04 is a precision-engineered furnace pressure switch designed to monitor and protect your heating system’s inducer and venting operation. With a set point of .65″ w.c. (water column), this switch ensures your furnace operates safely within proper draft pressure parameters, shutting down the system if pressure falls outside acceptable limits.
Key Features
- Set point: .65″ w.c. (water column)
- SPST (Single Pole Single Throw) switch configuration
- 1/4″ barb port connection for easy hose attachment
- Direct OEM replacement for compatible Armstrong Furnace systems
- Monitors inducer motor and venting pressure for safe furnace operation
- Helps prevent unsafe furnace operation due to blocked flue or failed inducer
How It Works
The pressure switch is a critical safety component in your furnace’s control circuit. It verifies that the draft inducer is operating correctly and that the venting system is free of obstructions before allowing the furnace to proceed through its ignition sequence. If the required negative pressure is not achieved, the switch remains open, preventing ignition and protecting both the equipment and occupants.
Application
- Designed for use in Armstrong Furnace equipment
- Ideal for HVAC technicians performing OEM-spec repairs and maintenance
- Compatible with systems requiring a .65″ w.c. pressure switch with 1/4″ barb connection
Why Choose OEM Parts?
Using genuine Armstrong Furnace replacement parts like the R100684-04 ensures proper fit, reliable performance, and maintains equipment warranty compliance. Trust OEM components for the longevity and safety of your heating system.
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