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Brand Name
Type
Voltage
Pressure
Hydrolevel Safgard 450 Low Water Cut-Off, 120 VAC, 15 psi, Automatic Reset
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- 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
Mcdonnell & Miller No. 2 Auto Reset Low Water Cutoff Alarm Switch, 120 - 240 VAC at 60 Hz
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McDonnell & Miller B115
Item#:
B115
Manufacturer Item:
110000
Manufacturer:
XYLEM INC.
Hydrolevel Safgard 550 Low Water Cut-Off, 120 VAC, 250 psi, Manual Reset
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- 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
Mcdonnell & Miller PSE-801-M-120 Low Water Cut-Off, 120 VAC, 15 psi Steam, 160 psi Water, Manual Reset
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- Lockout delay
- Power interruption
- Self cleaning probe
- No lock out with loss of power if probe is in water
- Green LED indicates power on
- Red LED indicating low water condition
- 7000 ohm probe sensitivity
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Item#:
B103-17
Manufacturer Item:
PSE-801-M-120
Manufacturer:
XYLEM INC.
Hydrolevel Safgard 170SV Low Water Cut-Off, 120 VAC, 160 psi, Automatic Reset
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- Combustion pressure switch check feature and communication interface capability
- Heavy duty electro-mechanical design for long life
- Automatically re-energizes circuit upon return to safe water level
- Equipped with shorter probe for mounting in standard reducing tees
- SPDT switch contact
- Includes shorter EL1214-SV probe suitable for mounting in standard black tee
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Item#:
B103-30
Manufacturer Item:
45-175
Manufacturer:
HYDROLEVEL COMPANY
Mcdonnell & Miller 67-G Mechanical Low Water Cut-Off, 120/240 VAC, 20 psi, Automatic Reset
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- Quick hook-up fittings provided
- Lever-operated, full port ball valve for easy blow down
- Adjustable Bx outlet for easy installation
- Dual precision switches for dependable operation of cut-off, alarm or electric water feeder
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Boiler Insert for Series 67 and 69 Low Water Cut-Off Boilers
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McDonnell & Miller B120
Item#:
B120
Manufacturer Item:
153825
Manufacturer:
XYLEM INC.
Mcdonnell & Miller 309100 Manual Reset Low Water Cutoff Switch, DPST
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McDonnell & Miller B122
Item#:
B122
Manufacturer Item:
309100
Manufacturer:
XYLEM INC.
Dual Float and Switch Assembly 15 psi
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- 1-piece unit that facilitates installation and ensures the most up-to-date construction
- Complete float and dual switch assembly
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Watts Water B121-1
Mcdonnell & Miller 310447 Blow-Down Ball Valve, 3/4", NPT
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- Full ported ball action valve
- PTFE seats provide bind free, leak tight ball movement
- Easy open handle keeps hands away from hot water and steam
- Gasket and mounting screws included
- For hot water and steam boilers
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McDonnell & Miller B122-2
Item#:
B122-2
Manufacturer Item:
310447
Manufacturer:
XYLEM INC.
Taco LTA1203S-2 Green Low Water Cut-Off, 120 VAC, 250 psi, Automatic Reset
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- 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
Taco LTA0243S-2 Green Low Water Cut-Off, 24 VAC, 250 psi, Automatic Reset
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- 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
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