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38" WC set point
the compressor lead on 'Herm'
air bypass can prevent the pressure switch from closing
making it a staple for HVAC service kits and boiler repair applications across residential and commercial heating systems
Each 16-ounce bottle provides enough concentrate for up to 10 typical maintenance cycles
Carrier HH19ZA140 Limit Switch 38" WC set pointThe 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
US$ 14.00
US$ 89.00
US$ 189.00
