Laars Heating Systems R2028200 Flow Switch 320788-702 The Lennox 36K28 is a

The Lennox 36K28 is a critical safety component designed for precise thermal regulation within residential and light commercial Lennox furnace systems

polytubing and standard barbed fittings

The Daikin-McQuay 020648653 Bearing is a critical mechanical component engineered for precision alignment and friction reduction in large-tonnage centrifugal chillers and air handling units

When troubleshooting a furnace not staying lit or dealing with clogged burner ports due to oxidation

contractors can perform rapid repairs or capacity adjustments without removing the entire valve body from the line

Laars Heating Systems R2028200 Flow Switch 320788-702 The Lennox 36K28 is aAs a veteran hydronic technician, you know that a failed flow switch can bring an entire commercial or residential system to a grinding halt. The Laars Heating Systems R2028200 Flow Switch is the primary replacement kit engineered to restore safety and functionality to your equipment. Specifically designed as a direct replacement for the obsolete 2400 542, this Laars boiler flow switch assembly ensures the burner doesn't fire without adequate water