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McDonnell & Miller
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Blowdown Valves (1)
Boiler Controls (1)
Boiler Water Feeders (1)
Electrical (3)
Flow Switches (3)
HVAC Controls (1)
Hydronic Boiler Parts & Accessories (2)
Hydronic Boilers (2)
Hydronic Controls & Sensors (9)
Hydronic Low Water Cutoff (8)
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Number of Probes
1 (1)
Nominal Size
3/4 in (1)
End Style
NPT (1)
Thread Size
1 in (2)
1/2 in (1)
3/4 in (4)
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Stainless Steel (2)
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1 in NPT (2)
1-1/4 in NPT (1)
1/2 in NPT (1)
3/4 in NPT (2)
NPT (7)
Threaded (1)
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12-1/4 in (1)
5-3/4 in (2)
Flow Rate
1.81 gpm (1)
10.5 gpm (1)
7.7 gpm (1)
Pressure Rating
100 psi (1)
150 PSI (3)
160 psi (6)
30 psi (1)
300 psi (1)
50 psi (2)
Width
1-7/8 in (2)
2-7/8 in (1)
3-3/16 in (1)
5-1/8 in (1)
6 in (1)
6-5/8 in (1)
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144703 McDonnell & Miller GuardDog RB-122-E Electronic Low Water Cut-Off, 120 VAC, 120 deg F, 160 psi Pressure, Automatic Reset, NPT Connection
MFG #
144676
Part #
12924
Brand
McDonnell & Miller
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McDonnell & Miller 110100 Manual Reset Low Water Cut-Off Switch, 240 VAC, 5.1 FLA/30.6 LRA
MFG #
110100
Part #
163068
Brand
McDonnell & Miller
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McDonnell & Miller 113601 FS1 High Sensitivity Liquid Flow Switch, 1.81 gpm Flow Rate, 125 VA Power Rating, 7.4 A at 120 VAC/3.7 A at 240 VAC Contact, 1/2 in NPT Connection, SPDT Switch
MFG #
113601
Part #
157132
Brand
McDonnell & Miller
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McDonnell & Miller 114400 FS4-3 General Purpose Liquid Flow Switch, 120/240 VAC
MFG #
114400
Part #
12909
Brand
McDonnell & Miller
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McDonnell & Miller 114760 FS5 Liquid Flow Switch, 120/240 VAC
MFG #
114760
Part #
12910
Brand
McDonnell & Miller
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McDonnell & Miller 114780 FS5 Snap Liquid Flow Switch, 120, 240 V, NPT Connection, 32 to 250 deg F Ambient, 150 psi Pressure
MFG #
114780
Part #
147434
Brand
McDonnell & Miller
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McDonnell & Miller 115000 FS4-3T General Purpose Liquid Flow Switch, 10.5 gpm Flow Rate, 125 VA Power Rating, 7.4 A at 120 VAC/3.7 A at 240 VAC Contact, 3/4 in NPT Connection, SPDT Switch
MFG #
115000
Part #
103403
Brand
McDonnell & Miller
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McDonnell & Miller 120201 FS7-4 Industrial Liquid Flow Switch, 7.7 gpm Flow Rate, 125 VA Power Rating, 7.4 A at 120 VAC/3.7 A at 240 VAC Contact, 1-1/4 in NPT Connection, SPDT Switch
MFG #
120201
Part #
12959
Brand
McDonnell & Miller
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McDonnell & Miller 120601 FS8-W Liquid Flow Switch, 120/240 VAC
MFG #
120601
Part #
12923
Brand
McDonnell & Miller
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144703 McDonnell & Miller GuardDog RB-122-E Electronic Low Water Cut-Off, 120 VAC, 120 deg F, 160 psi Pressure, Automatic Reset, NPT Connection
MFG #
144676
Part #
12924
Brand
McDonnell & Miller
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McDonnell & Miller 110100 Manual Reset Low Water Cut-Off Switch, 240 VAC, 5.1 FLA/30.6 LRA
MFG #
110100
Part #
163068
Brand
McDonnell & Miller
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McDonnell & Miller 113601 FS1 High Sensitivity Liquid Flow Switch, 1.81 gpm Flow Rate, 125 VA Power Rating, 7.4 A at 120 VAC/3.7 A at 240 VAC Contact, 1/2 in NPT Connection, SPDT Switch
MFG #
113601
Part #
157132
Brand
McDonnell & Miller
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McDonnell & Miller 114400 FS4-3 General Purpose Liquid Flow Switch, 120/240 VAC
MFG #
114400
Part #
12909
Brand
McDonnell & Miller
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McDonnell & Miller 114760 FS5 Liquid Flow Switch, 120/240 VAC
MFG #
114760
Part #
12910
Brand
McDonnell & Miller
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McDonnell & Miller 114780 FS5 Snap Liquid Flow Switch, 120, 240 V, NPT Connection, 32 to 250 deg F Ambient, 150 psi Pressure
MFG #
114780
Part #
147434
Brand
McDonnell & Miller
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McDonnell & Miller 115000 FS4-3T General Purpose Liquid Flow Switch, 10.5 gpm Flow Rate, 125 VA Power Rating, 7.4 A at 120 VAC/3.7 A at 240 VAC Contact, 3/4 in NPT Connection, SPDT Switch
MFG #
115000
Part #
103403
Brand
McDonnell & Miller
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McDonnell & Miller 120201 FS7-4 Industrial Liquid Flow Switch, 7.7 gpm Flow Rate, 125 VA Power Rating, 7.4 A at 120 VAC/3.7 A at 240 VAC Contact, 1-1/4 in NPT Connection, SPDT Switch
MFG #
120201
Part #
12959
Brand
McDonnell & Miller
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McDonnell & Miller 120601 FS8-W Liquid Flow Switch, 120/240 VAC
MFG #
120601
Part #
12923
Brand
McDonnell & Miller
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