Carrier HH18HA094 Switch Els PW 17895 and commercial warming equipment

and commercial warming equipment

you can safely use a higher amperage rating (40A) to replace a lower rating (30A) as long as the 24V coil voltage and pole configuration remain the same

Key Benefits: Precise Thermal Protection: Factory-calibrated to open at 180°F and reset at 80°F (L180-100F) for exact furnace safety switch performance

Can this be used for outdoor dampers

The AT-520-40 specifically includes the adjustment knob

Carrier HH18HA094 Switch Els PW 17895 and commercial warming equipmentThe Carrier HH18HA094 Temperature Switch is a critical safety and operational component designed for precise thermal monitoring in residential and commercial HVAC units. This OEM Carrier replacement part is engineered to function as a limit or pipe mount switch, specifically calibrated to Open at 80C and Close at 27C. Such specifications make it an ideal fit for managing liquid line temperatures or discharge air in high demand heating and cooling