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Hydronic Low Water Cutoffs
McDonnell & Miller 144703 RB-122E Low Water Cut-Off, 120 V, 250 deg F, 160 psi Pressure, Automatic Reset, NPT Connection
Part #
12924
MFG #
144703
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McDonnell & Miller 144703 RB-122E Low Water Cut-Off, 120 V, 250 deg F, 160 psi Pressure, Automatic Reset, NPT Connection
Part #
12924
MFG #
144703
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McDonnell & Miller 144703 RB-122E Low Water Cut-Off, 120 V, 250 deg F, 160 psi Pressure, Automatic Reset, NPT Connection
Part #
12924
MFG #
144703
Item Features
Attributes
Item Features
For residential hot water boiler applications
Electronic operation
Easy to install and wire
Automatic reset feature resumes operations after water level is restored above the probe
No blow down required
20,000 ohms probe sensitivity
Maximum ambient temperature 120 deg F (49 deg C)
Maximum water temperature 250 deg F (121 deg C)
Maximum water pressure 160 psi (11.2 kg/cm²)
Self cleaning probe standard for all controls
Attributes
Connection Type
NPT
Power Rating
120 V
Pressure Rating
160 psi
Temperature Rating
250 deg F