Hydrolevel 400R Low Water Cut-Off R-410A Pneumatic Reliability: Designed for high-cycle

Pneumatic Reliability: Designed for high-cycle industrial and commercial airflow applications

this thermostatic expansion valve (TXV) adjusts refrigerant flow based on real-time evaporator load

Its brushless DC submotor utilizes electronic stall protection across the entire 95-degree stroke

Using this model for domestic hot water may lead to tank failure due to different material requirements

output for stable combustion cycles

Hydrolevel 400R Low Water Cut-Off R-410A Pneumatic Reliability: Designed for high-cycleThe 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