Built with a solid-state PTC heater and bimetal actuated contacts

What is the purpose of the Teflon sheathing on this specific model

ensuring versatile integration with modern building automation systems

usually caused by air in the system or debris in the impeller

Laars Heating Systems 2400-020 Thermal Cut Out 322838-752 Built with a solid-state PTCThe 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