R8182D1079/U
Protectorelay/ Hydronic Heating Control
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Provides High Limit And Low Limit/Circulator Control, 45 Second Safety Switch Timing, 130 F To 240 F High Limit, 110 F To 220 F Low Limit, 1-1/2 in. Insulation Depth, Vertical Mount.
Features
Includes Auxiliary ZC And ZR Terminals To Provide Circulator Zone Control Through An R845A Switching Relay
Use In Intermittent Ignition Applications
Capable Of Zone Control With Zone Valves
If Unsuccessful, Safety Shutoff Occurs, Requiring Manual Reset Before Burner Can Be Restarted
C554A Cadmium Sulfide Flame Detector And A 24 Vac Thermostat Required