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maintaining the factory-specified millivolt signal for gas valve operation
Should I use a lubricant or RTV when installing this hand hole gasket
precision is non-negotiable
Installation Versatility: Specifically designed for non-parallel damper shafts
Trane SWT1277 Limit Switch maintaining the factory-specified millivolt signalThe 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