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

while the non-rotation bracket ensures stable

Industry Compliance: Specifically designed for fuel gas safety shutoff in furnace and boiler applications

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

Direct OEM replacement part ensures exact fitment and reduces installation downtime

Hydrolevel 400 Low Water Cut-Off Freon this HVACR expansion valve maintainsThe 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