The limit control serves as a primary overheating protection mechanism

Enhanced Safety: High-precision electrode gap ensures immediate flame rectification and reliable startup

Enhanced Safety: Effectively detects flue obstructions or blower motor failure to prevent carbon monoxide risks

this valve delivers the repeatable performance and low fire adjustment accuracy required for industrial-spec HVACR applications

When performing a furnace heat exchanger inspection

Lochinvar & A.O. Smith 100140483 Kit R-22 The limit control serves asThe Lochinvar & A. O. Smith 100140483 Kit is a specialized power vent conversion kit designed to transition natural draft appliances to a forced draft configuration. Engineered specifically for Lochinvar EnergyRite ER302 and ER402 models, this direct replacement venting kit (formerly CVK3006) provides the necessary hardware to facilitate safe and efficient exhaust removal in installations with restrictive venting runs or limited vertical clearance. By