Carrier HH18HA291 Limit Switch Els PW 17895 High Compatibility: Direct replacement for

High Compatibility: Direct replacement for Robertshaw 700-473 and compatible with most 24V AC heating control systems

280 BTU (approx

making it a versatile staple for contractor service vans

This HVAC pressure transducer is designed for compatibility with standard non-corrosive refrigerants typically found in Carrier commercial systems

the AG14A02A is the "high-temperature" variant specifically designed for low-pressure steam and high-temp hot water applications

Carrier HH18HA291 Limit Switch Els PW 17895 High Compatibility: Direct replacement forThe Carrier HH18HA291 Limit Switch is a critical safety component designed for high temperature monitoring in furnace and air handler applications. This specific 290F manual reset limit switch acts as a primary thermal protection mechanism, breaking the electrical circuit to the gas valve or ignition control if the heat exchanger exceeds its maximum safe operating temperature. Engineers and field technicians recognize the HH18HA291 as a direct