Cutoffs

Interlock / Safety Switches

Low-Water Cutoff Devices protect boilers and steam generators.

Offered inÂ- configurations and functions to suit various water feed vessels, LWC-700/720/800 Series features redundant switches within liquid level sensors as well as electronic controllers to deactivate systems before water supply problem can damage or create critical situation. Controller box may be mounted directly on sensor unit head or up to 2 ft away via optional electrical...

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Miscellaneous Controls

Pump Controller protects against low water condition.

Featuring 1 hp pump relay and adjustable burner and pump settings, Series 1575 is used as low water cut-off, feed water control, and alarm for boilers, vessels, and tanks. Internal LEDs indicate water position and condition, while external LEDs indicate control activity. Probe operation diagnostics include monitors for sensitivity, sequence, and wetted probe. Equipped with 60-sec burner-off time...

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Wire Harness works with residential low water cut-offs.
Cutoffs

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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Liquid Level Control suits low level cutoff protection.
Level Controllers

Liquid Level Control suits low level cutoff protection.

Single probe LLC8 series uses AC current sensing to prevent thermal runaway and excessively high internal pressure in hot water tanks by detecting presence of conductive liquids. With open board design and UL353 recognition, it offers factory fixed time delay of 1-60 sec and is available for input voltages of 24, 120, or 230 Vac, 50/60 Hz. Sense resistance is factory fixed from 5K-250K ohms. SPDT...

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Controllers provide multi-function capabilities.
Pump Controllers

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.
Pump Controllers

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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