Hydrolevel 400R Low Water Cut-Off Refrigerant Durable Material Construction: Features high-quality

Durable Material Construction: Features high-quality elastomers and stainless steel components to resist mineral buildup and chemical degradation over time

Field-proven for compatibility with standard pneumatic control accessories

When troubleshooting a fan-forced heater that fails to power or has a damaged physical interface

Check your valve body casting for size confirmation before installation

as it can handle higher electrical stress while maintaining stable output

Hydrolevel 400R Low Water Cut-Off Refrigerant Durable Material Construction: Features high-qualityThe Hydrolevel 400R (Part Number 45 402) is a professional grade 24VAC low water cut off designed specifically for steam boiler applications where a remote mounting configuration is required. As a primary safety control, the 400R utilizes a non cycling design, ensuring the burner circuit remains interrupted until a safe water level is restored. This model includes the EL1214 R sensing probe and a dedicated junction box, providing the flexibility