suitable for both hot water and chilled refrigeration cycles

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

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

Direct Retrofit: Seamlessly replaces the legacy 047518 model

Key Benefits: Precision Orifice: Includes a factory-installed #33 orifice for calibrated natural gas delivery and efficient combustion

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