Brand Name
Type
Voltage
Pressure
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Hydrolevel Safgard 170 Low Water Cut-Off, 120 VAC, 160 psi, Automatic
  • Interrupts power immediately in a low water condition
  • Provides contacts for optional low-water alarm, heavy-duty construction
  • Automatically restarts burner on return of normal water level
  • NEMA 1 enclosure
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Item#:
170
Manufacturer Item:
45-170
Manufacturer:
HYDROLEVEL COMPANY
Hydrolevel Safgard 450 Low Water Cut-Off, 120 VAC, 15 psi, Automatic Reset
  • Burner circuit contacts open after 15 sec delay in a low water condition
  • Delay prevents short cycling caused by momentary fluctuations in the boiler water level
  • Automatically reactivates burner circuit 30 sec after water reaches the probe, allowing optional water feeder to raise water level above the probe
  • SPDT switch contact
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Item#:
B103-38
Manufacturer Item:
45-450
Manufacturer:
HYDROLEVEL COMPANY
Taco LFM1203S-1 Green Electronic Low Water Cut-Off, 120 VAC, 160 psi, Manual Reset
  • Provides accurate and dependable protection
  • External LEDs and simplified wiring for easy
  • Probe-style, microprocessor-based control that detects the fluid level in hot water and steam boilers and reacts when the level falls below the minimum safe operating level
  • SPDT switch contact
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Taco LFM1203S-1

Item#:
LFM1203S-1
Manufacturer Item:
LFM1203S-1
Manufacturer:
TACO INC.
Hydrolevel Safgard 550P Low Water Cut-Off, 120 VAC, 160 psi, Manual Reset
  • Automatically shuts off burner in a low water condition to prevent boiler damage
  • Heavy duty construction and 16 amp relay suitable for virtually any commercial water boiler needs
  • Burner circuit test butTon and interrupts power immediately in a low water condition
  • LED indicator lights
  • SPDT switch contact
  • Includes EL1214-P probe with longer nut for boilers with thicker jackets
Sid Harvey Item #:550P: Replaces Part #:'s : 3W405,
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Item#:
550P
Manufacturer Item:
550P
Manufacturer:
HYDROLEVEL COMPANY
Taco LTA1203S-2 Green Low Water Cut-Off, 120 VAC, 250 psi, Automatic Reset
  • Patented adjustable probe sensitivity
  • External LEDs and simplified wiring for easy installation and testing
  • Includes external test butTon, adjustable delay on break (DOB) and delay or make
  • SPDT switch contact
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Taco LTA1203S-2

Item#:
LTA1203S-2
Manufacturer Item:
LTA1203S-2
Manufacturer:
TACO INC.
Hydrolevel Safgard 550 Low Water Cut-Off, 120 VAC, 250 psi, Manual Reset
  • Provides step-by-step, diagrammed instructions for fast, easy installation and wiring
  • Burner circuit locks-out if water remains below probe for 30 sec
  • Burner circuit test butTon allows for testing the control without lowering the water level and indicator lights for easy troubleshooting
  • SPDT switch contact
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Hydrolevel B112-3

Item#:
B112-3
Manufacturer Item:
45-550
Manufacturer:
HYDROLEVEL COMPANY
Mcdonnell & Miller GuardDog RB-24E Low Water Cut-Off, 24 VAC, 160 psi, Automatic Reset
  • Brass threads provide a metal-to-metal seal that ensures a leak-free installation
  • Integrated wrench flats enable secure installation without damage to the housing
  • Compact size, easy to install and wire
  • Green LED indicates power on
  • Red LED indicating low water condition
  • Solid state operation
  • 15000 ohm probe sensitivity
Sid Harvey Item #:RB-24: Replaces Part #:'s : 38332,
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Item#:
RB-24
Manufacturer Item:
144701
Manufacturer:
XYLEM INC.
Taco LTA0243S-2 Green Low Water Cut-Off, 24 VAC, 250 psi, Automatic Reset
  • Patented adjustable probe sensitivity
  • External LEDs and simplified wiring for easy
  • Probe-style, microprocessor-based control that detects the fluid level in hot water and steam boilers and reacts when the level falls below the minimum safe operating level
  • Includes external test butTon, adjustable delay on break (DOB) and delay or make (DOM)
  • SPDT switch contact
Sid Harvey Item #:LTA0243S-2: Replaces Part #:'s : 21502,
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Item#:
LTA0243S-2
Manufacturer Item:
LTA0243S-2
Manufacturer:
TACO INC.
xylem PSE-802-24 Electronic Low Water Cut-Off 24 VAC 15 psi Steam Automatic
  • 50 VA at 24 VAC pilot duty rating
  • 2-1/8" probe
  • 30 sec delay on make, 10 sec delay on break
  • Features an automatic reset, test switch and LED low water indicator light
  • No lock out with loss of power if probe is in water
  • Self-cleaning probe
  • NEMA 1 enclosure
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Item#:
153927
Manufacturer Item:
PSE-802-24
Manufacturer:
XYLEM INC.
Mcdonnell & Miller No. 2 Auto Reset Low Water Cutoff Alarm Switch, 120 - 240 VAC at 60 Hz
Sid Harvey Item #:B115: Replaces Part #:'s : L38-774,
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McDonnell & Miller B115

Item#:
B115
Manufacturer Item:
110000
Manufacturer:
XYLEM INC.
xylem PSE-801-120 Electronic Low Water Cut-Off 120 - 240 VAC 15 psi Steam Automatic
  • 2-1/8" probe
  • 30 sec delay on make, 10 sec delay on break
  • Features an automatic reset, test switch and LED low water indicator light
  • No lock out with loss of power if probe is in water
  • Self-cleaning probe
  • NEMA 1 enclosure
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Item#:
153827
Manufacturer Item:
PSE801-120
Manufacturer:
XYLEM INC.
2-M Manual Reset Low Water Cutoff Switch 120/240 volt
Sid Harvey Item #:B115-1: Replaces Part #:'s : 13573,

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McDonnell & Miller B115-1

Item#:
B115-1
Manufacturer Item:
110100
Manufacturer:
XYLEM INC.
|◀ 13 - 24 of 35 ▶|
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