Carrier HH18HA170 Limit Switch 319825-402 Most failures in these units

Most failures in these units stem from bearing wear due to environmental debris or electrical issues like phase loss

this valve manages media temperatures up to 210°F with a consistent 5

How do I test if my Raypak 011760F is functioning

Does this assembly include the transition housing

Is this compatible with the older HE Series 1 and Series 2 units

Carrier HH18HA170 Limit Switch 319825-402 Most failures in these unitsThe Carrier HH18HA170 Limit Switch is a critical safety component designed for precise thermal monitoring in residential and commercial HVAC furnaces. This genuine OEM replacement part features an L170 40F specification, meaning it is calibrated to open the electrical circuit when the internal temperature reaches 170F and automatically reset once the temperature drops by 40F (resetting at 130F). Engineered for high limit protection, this switch