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Integrated Relieving Port: Automatically reduces output pressure when the lockable adjusting knob is dialed down
installing this thermal expansion valve restores system factory performance
What is the proper orientation for installing 3/8" sweat connections
it utilizes flame rectification to signal the control board
60" trip points required for specific Carrier models
Carrier 338085-408 Limit Switch 320735-701 Integrated Relieving Port: Automatically reducesAs a field technician, you know that a tripped main limit switch is often the only thing standing between a standard service call and a heat exchanger failure. The Carrier 338085 408 is a factory authorized L210 20F limit switch, engineered specifically for high limit thermal protection in Carrier, Bryant, and Payne furnaces. This OEM HVAC replacement part features a normally closed circuit that opens precisely at 210F to interrupt the gas valve