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This switching relay provides reliable control for blower motors
Common Questions What causes a limit switch to trip repeatedly
while the 30 Amp Resistive rating applies to non-inductive loads like electric heat strips
the internal bimetal disc has likely failed and requires replacement
this specific orifice is color-coded red and sized exclusively for liquid propane (LP) gas
Trane SWT1277 Limit Switch This switching relay provides reliableThe Trane SWT1277 Limit Switch is a critical safety component designed for precise thermal regulation in Trane and American Standard HVAC furnaces. As a high limit automatic reset switch, it monitors the supply air and heat exchanger temperatures to prevent hazardous overheating. This genuine OEM furnace limit switch features a 3 inch insertion length, ensuring accurate sensing deep within the plenum or blower housing. Operating on a normally closed