suitable for both hot water and chilled refrigeration cycles

What is the maximum operating fluid temperature for this actuator

allowing the thermostat to connect to the PTAC unit in seconds without requiring a line-of-sight signal

you know that a failing Carrier HK06MB025 Switch can cause immediate system lockout

This HVAC control valve offers a 200 psi close-off pressure and a 600 psi body pressure rating

Hydrolevel 550LSV Low Water Cut-Off 326058-757 suitable for both hot waterThe Hydrolevel 550LSV (Part Number 45 5510) is a high performance 120Vac Low Water Cut Off designed for commercial hot water boilers and as a secondary safety on steam systems. Built for veteran contractors, this electronic low water cut off features a manual reset to ensure a technician identifies the cause of a low water condition before the burner is re energized. The unit includes a 30 second burner off delay to prevent nuisance jumping during