Laars Heating Systems 2400-020 Thermal Cut Out 321894-706 Verify the part number against

Verify the part number against your unit's data plate or service manual

the Carrier 50DK509554 provides the structural integrity required to prevent vibration-induced bearing failure

Unlike standard sail switches that are prone to mechanical fluttering

This unit is supplied as a separate valve body without a manual stem

preserving system lifespan

Laars Heating Systems 2400-020 Thermal Cut Out 321894-706 Verify the part number againstThe Laars Heating Systems 2400 020 Thermal Cut Out is a mission critical safety component designed for high capacity and residential boiler systems. Engineered to function as a fail safe manual or automatic reset limit, this Laars TCO replacement monitors internal heat levels to prevent catastrophic equipment failure. Specifically compatible with the Laars Mark II 9600 series, including HWG and CB models (sizes 150 250), as well as H, HW, and HP