Built with a NEMA 2 rated enclosure

Optimized Performance: Maintains precise magnetic circuit alignment for reliable valve opening and closing under standard operating pressures

the M620-1 gas valve utilizes a 1/2 PSI maximum inlet pressure rating

allowing technicians to engage the gas flow and set the operating temperature with a single turn of the dial

This assembly is a direct replacement for specific cabinet sizes where the wheel and shaft dimensions must match the original blower deck specifications exactly

Carrier HH19ZA950 Limit Switch 322838-752 Built with a NEMA 2The Carrier HH19ZA950 Limit Switch is a critical OEM replacement part engineered for precise thermal management in Carrier furnaces, air handlers, and residential HVAC systems. This bi metal limit control is factory calibrated as a high limit safety, featuring a 150F open temperature and a 95F close temperature. Designed for automatic reset functionality, the HH19ZA950 effectively breaks the electrical circuit to the gas valve or heating element if