minimizing nuisance service calls

Reduces the risk of ignitor damage caused by vibration or improper seating in the burner box

Compact Footprint: The round configuration fits most standard mounting straps and brackets found in modern air handlers

you know the value of a single truck-stock item that handles capacities from 30

and seat the blue spring carefully before re-calibrating the outlet pressure with a manometer

York S1-025-43289-000 Limit Switch minimizing nuisance service callsThe York S1 025 43289 000 Limit Switch is a critical safety component designed for precise thermal management in high performance HVACR systems. As a genuine L255F 30 Auto Limit Switch, this device is engineered to monitor furnace plenum temperatures and interrupt the electrical circuit if internal heat exceeds its 255F set point. Upon cooling by approximately 30F, the automatic reset capability restores operations, eliminating the need for manual