Frequent tripping is often a symptom of low refrigerant charge

Utilizing a 2

The Modine 5H0750020007 Rollout Switch is a critical safety component designed for commercial gas-fired unit heaters

meaning it will not fit in a 250V-only fuse block

Enhanced Flame Supervision: Employs remote flame sensing technology to ensure the main burner is lit before allowing gas valve operation

Lennox 69W42 Limit Switch 322057-301 Frequent tripping is often aThe Lennox 69W42 Limit Switch, also identified as the L220 30 Limit Switch, is a critical OEM safety component engineered for precise thermal regulation within Lennox, Armstrong, and Ducane furnaces. This furnace high limit switch features a 220F opening threshold to interrupt the electrical circuit immediately upon detecting an over temperature condition, effectively preventing heat exchanger damage and ensuring operational safety. With an automatic