Instructions / Assembly

1100 Series
Compact Design
Automatic and Manual Reset Models
Burner Circuit Test Button
Power and Low Water LED Indicators
Low Water Cut-Offs – Residential/Commercial
MODEL RESET VOLTAGE DESCRIPTION/OPERATION
1100 Automatic 24 VAC Interrupts power immediately in a low water condition. Automatically
1150 Automatic 120 VAC (manually for 1100M) restarts burner on return of water level.
1100M Manual 24 VAC Features test button, onboard indicating lights and easy to follow
installation instructions. Model 1100 includes plug-in wire harness
with labeled quick-connect terminals.
Safgard 1100 Series Wire Harness Options
Model 1100 is available with additional wiring harnesses for popular boilers
45-531-54 Standard wire harness for Model 1100 LWCO 16.00 10.88
45-347 Wire harness for connecting Model 1100 to Burnham PVGA, PVCGA, Series 2,
New Yorker CG-D
45-348 45-348 Wire harness for connecting Model 1100 to UTC Boiler Control Module
45-349 45-349 Wire harness for connecting Model 1100 to Lochinvar Knight and Solution,
Weil-McLain Ultra
45-350 45-350 Wire harness for connecting Model 1100 to Burnham CHG, SCG, PVG, Crown Bimini
45-353 45-353 Wire harness for connecting Models 1100 and 1100M to vent damper plug on boiler
control modules
Specifications Model 1100 Model 1100M Model 1150
Power Consumption 1 VA 1 VA 4 VA
Switching Capacity 50 - VA 50 VA 125 VA
Switch Contacts SPST SPST SPST
Max. Pressure 160 PSI 160 PSI 160 PSI
Max. Water Temperature 250° F 250° F 250° F
W A T E R B O I L E R C O N T R O L S
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Hydrolevel Catalog 2018 Page 6