Carrier HH18HA435 Limit Switch 318973-401 The high-impact ABS plastic enclosure

The high-impact ABS plastic enclosure ensures durability in rigorous duct environments

Its lightweight design and high-flow efficiency make the ASCO 8215 series a preferred choice for HVACR specialists seeking durable and compliant combustion control solutions

it offers the structural rigidity required for industrial duty cycles while resisting atmospheric corrosion

Enhanced Durability: Constructed from heavy-duty materials designed to withstand the thermal cycling and pressure differentials found in industrial refrigeration

Carrier HH18HA435 Limit Switch 318973-401 The high-impact ABS plastic enclosureReplace failing thermal components with the Carrier HH18HA435 Limit Switch, a critical safety device engineered for precise temperature monitoring in residential and commercial furnaces. As a veteran grade 100 135F auto limit switch, this component is designed to interrupt the electrical circuit if the plenum temperature exceeds 135F, preventing heat exchanger damage and ensuring system integrity. Once the temperature drops to the 100F reset point,