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Versatile 24 Vac/Vdc power compatibility for broad application
making them suitable for 24V
The dual circuit allows a single detector to report a fire to the main FACP while simultaneously initiating a thermal sensor response to shut down HVAC blowers or close fire dampers via the auxiliary circuit
Engineered with a split-core housing
The sensor range must match the amplifier and remote selector range for the system to modulate correctly
McDonnell & Miller RB-122E Control 30067439-890 Versatile 24 Vac/Vdc power compatibilityThe McDonnell & Miller RB 122E (Part Number 144676) is a heavy duty conductance type low water cut off designed specifically for residential and light commercial hot water boilers. As a veteran preferred electronic LWCO, it features a 120VAC power requirement and a 3 4" NPT connection, making it high performance protection against dry firing. This unit includes a patented self cleaning probe that reduces scale build upa common failure point in
US$ 69.00
US$ 240.00