• Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems
• Require 24 VAC thermostat with heat anticipator set at 0.2 amp (plus current draw of gas valve on L8124E)
• Include diaphragm powerhead and micro Switch assembly that respond to temperature changes in boiler water
• Mount directly to boiler
• Provide multi-zone control by using a separate circulator and R845 relay for each zone
• Electrical burner rating: full load - 7.4 amp at 120 VAC line voltage, 3.7 amp at 240 VAC; locked rotor - 44.4 amp at 120 VAC line voltage, 22.7 amp at 240 VAC
• Electrical circulator rating: 7.4 amp at 120 VAC, 3.7 amp at 240 VAC full load; 44.4 amp at 120 VAC, 22.2 amp at 240 VAC locked rotor

C317-8R

• Immersion type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems
• Provide multi-zone control by using a separate circulator and R845 relay for each zone
• Include diaphragm powerhead and micro switch assembly that respond to temperature changes in boiler water
• Mount directly to boiler
• Select models include large transformers and extra terminals for supplying power to low voltage zone valves
• Require 24 VAC thermostat with heat anticipator set at 0.2 amp (plus current draw of gas valve on L8124E)

C317-5R

• Immersion type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems
• Provide multi-zone control by using a separate circulator and R845 relay for each zone
• Include diaphragm powerhead and micro switch assembly that respond to temperature changes in boiler water Mount directly to boiler
• Select models include large transformers and extra terminals for supplying power to low voltage zone valves
• Require 24 VAC thermostat with heat anticipator set at 0.2 amp (plus current draw of gas valve on L8124E)

C317-7R

• Immersion type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems
• Provide multi-zone control by using a separate circulator and R845 relay for each zone
• Include diaphragm powerhead and micro switch assembly that respond to temperature changes in boiler water
• Mount directly to boiler
• Select models include large transformers and extra terminals for supplying power to low voltage zone valves
• Require 24 VAC thermostat with heat anticipator set at 0.2 amp (plus current draw of gas valve on L8124E)

C317-11R

• Immersion type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems
• Provide multi-zone control by using a separate circulator and R845 relay for each zone
• Include diaphragm powerhead and micro switch assembly that respond to temperature changes in boiler water
• Mount directly to boiler
• Select models include large transformers and extra terminals for supplying power to low voltage zone valves
• Require 24 VAC thermostat with heat anticipator set at 0.2 amp (plus current draw of gas valve on L8124E)

C317-2R

B75-1R

R80-52R

• Immersion type aquastat controller and oil burner primary control provides high limit and low limit/circulator control for oil-fired hydronic heating systems
• Use in intermittent ignition applications
• Capable of zone control with zone valves
• Circulator zone control with ZC and ZR terminals on R8182D, E, H, J
• 8-flame failure during the running cycle results in a 45 sec attempt to restart
• If unsuccessful, safety shutoff occurs, requiring manual reset before burner can be restarted
• C554A cadmium sulfide flame detector and a 24 VAC thermostat required
• Includes auxiliary ZC and ZR terminals may be used to provide circulator zone control through an R845A switching relay, horizontal case
• Maximum 250 deg F at element, 15 deg F fixed high limit differential temperature
• 45 sec safety switch timing
• 1/2"-14 NPT well spud size
• 0.2 amp anticipator setting
• 1-1/2" insulation depth,
  ,
  
  
  
  

  R80-58R

R80-40R

R80-30R

R80-32R

R75-41R