McDonnell & Miller
Chicago, IL 60618
Wire Harness works with residential low water cut-offs.
Universal Wire Harness is designed for use with RB-24 low water cut-off for 24 V residential hot water boiler applications. Field-assembled harness allows installing contractor to plug directly into OEM's wiring harness without cutting wires. Model UWH-RB-24-A is designed for atmospheric boilers with 6-pin aquastats or vent damper, while UWH-RB-24-S is designed for sealed combustion boilers that...
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Controllers provide multi-function capabilities.
Conductance actuated level devices control burner circuits, pumps, motor starters, and electric valves. Dual-function 750B-LP-120 models have low-water cutoff and pump control capabilities, while 750B-DLP-120 models have tri-function capabilities, with 2 low-water cutoffs and pump control. Both controllers are available in panel mount configurations and are CSD-1 compliant. Series 750B...
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Pump Controller has 1 HP burner and pump relays.
Series 150E low water cut-off, pump controller and alarm actuator is designed for boilers, tanks, and vessels. It has adjustable 60 sec burner-off time delays and provides continuous primary or secondary protection against low water conditions and rapid burner cycling. Field adjustable 3/4 and 1 3/16 in. pump differentials keep operation constant. Unit operates at 150 psi max, ambient temperature...
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Wire Harness works with residential low water cut-offs.
Universal Wire Harness is designed for use with RB-24 low water cut-off for 24 V residential hot water boiler applications. Field-assembled harness allows installing contractor to plug directly into OEM's wiring harness without cutting wires. Model UWH-RB-24-A is designed for atmospheric boilers with 6-pin aquastats or vent damper, while UWH-RB-24-S is designed for sealed combustion boilers that...
Read More »
Controllers provide multi-function capabilities.
Conductance actuated level devices control burner circuits, pumps, motor starters, and electric valves. Dual-function 750B-LP-120 models have low-water cutoff and pump control capabilities, while 750B-DLP-120 models have tri-function capabilities, with 2 low-water cutoffs and pump control. Both controllers are available in panel mount configurations and are CSD-1 compliant. Series 750B...
Read More »
Pump Controller has 1 HP burner and pump relays.
Series 150E low water cut-off, pump controller and alarm actuator is designed for boilers, tanks, and vessels. It has adjustable 60 sec burner-off time delays and provides continuous primary or secondary protection against low water conditions and rapid burner cycling. Field adjustable 3/4 and 1 3/16 in. pump differentials keep operation constant. Unit operates at 150 psi max, ambient temperature...
Read More »