supporting domestic and international power standards

This 3/4-inch calibrated pressure relief valve is specifically designed to manage excessive pressure in systems carrying water

It operates on 24V AC low voltage systems and is fully compatible with millivolt heating applications

How do I wire the ICM203 for 120V or 240V applications

This valve can be mounted in any orientation except with the actuator below the horizontal axis of the pipe to prevent moisture from damaging the drive motor

McDonnell & Miller RB-24E-L Control 30067439-890 supporting domestic and international powerThe McDonnell & Miller RB 24E L (Part Number 144690) is a specialized residential low water cut off designed for 24V hot water boiler systems. This electronic LWCO utilizes a 3 4" NPT probe style sensing element to monitor for hazardous low water conditions, ensuring the burner circuit is interrupted before equipment damage occurs. Unlike manual reset models, this unit features an auto reset function that restores operation once the water level