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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
this replacement heat exchanger restores factory-rated AFUE efficiency and prevents dangerous CO leakage into the building envelope
Flexible Fuel Capability: Fully compatible with natural gas
If the inducer is running and the lines are clear
Working with high-static environments or Lennox rooftop units requires a manual reset limit switch you can depend on
Broad Operating Envelope: Rated for severe climates with a wide temperature tolerance from -40°C up to 105°C
Trane SWT3179 Pressure Switch Kit 321142-301 this replacement heat exchanger restoresFor veteran HVAC contractors, the Trane SWT3179 Pressure Switch Kitwhich is functionally identical to the SWT03179is a critical component for restoring furnace ignition sequences. This 0. 8" WC setpoint switch is a Single Pole Double Throw (SPDT) configuration, making it highly versatile for monitoring induced draft blower performance and ensuring proper venting before the gas valve opens. Engineering wise, this OEM replacement part is built for snap
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