Carrier HH19ZA140 Limit Switch This kit is the valve

This kit is the valve spring kit

the internal calibrated adjustment knob is typically part of the humidistat base or sold separately as a scaleplate insert

as it offers a higher dielectric strength

0 temperature rating

this sensor is frequently found in AirEase

Carrier HH19ZA140 Limit Switch This kit is the valveThe Carrier HH19ZA140 Limit Switch is a high precision safety component engineered for HVAC systems requiring an L140 40F thermal threshold. Designed with a normally closed circuit, this disc style switch is rated to open on a temperature rise at 140F and automatically reset when the temperature drops to 100F. As an OEM replacement part, it ensures seamless integration and maintains the original equipments safety ratings and system efficiencies. The