Sensor is a high-precision thermistor engineered for critical thermal monitoring in York chiller systems and large-scale air handling units

this HVACR expansion valve maintains consistent superheat settings even under fluctuating ambient conditions

Direct OEM replacement part ensures exact fitment and reduces installation downtime

Common Questions Can I use the MARS 44513 to replace a 40VA transformer

this valve is specifically calibrated for R22 refrigerant flow characteristics

Hydrolevel 400 Low Water Cut-Off Freon Sensor is a high-precision thermistorThe Hydrolevel 400 Low Water Cut Off is a hardwired 24VAC electronic LWCO designed for modern and retrofit steam boiler applications. As a primary low water cut off, the Safgard 400 (Part Number 45 400) utilizes a solid state probe sensor rather than mechanical floats, eliminating the need for frequent blowdowns and preventing issues with sediment buildup. This unit features a built in 15 second burner off delay to compensate for turbulent water