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

Sid Harvey Remanufactured 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)
  

  Sid Harvey Remanufactured C317-5R

Sid Harvey Remanufactured C434-12R

• EnviraCOM, a low-cost 3-wire communication protocol that allows different devices, such as communicating thermostats, aquastats and oil primaries, to connect and share information Honeywell L7224U1002 Electronic Oil Aquastat, 120 VAC, 130 - 240 deg F High Limit, 110 - 220 deg F Low Limit , 5 - 20 deg F Fixed High Limit, 10 - 25 deg F Adjustable Low Limit Differential
  

  Sid Harvey Remanufactured C317-14R

• Immersion type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems, including domestic hot water
• Provides multi zone control by using a separate circulator and relay for each zone
• Includes diaphragm power head and Micro-Switch assembly that respond to temperature changes in boiler water
• Mounts directly to boiler
• Requires a 24 VAC thermostat with heat anticipator set at 0.2 ampSid Harvey Item #:C317R: Replaces Part #:'s : AQU8124A1007-C317-2B | C317-2B | C317-2R,
  

  Sid Harvey Remanufactured C317R

Provides high limit, low limit and circulator control for maintaining boiler temperatures
• Can provide multizone control by using a separate thermostat and R845 Relay for each zone
• An internal transformer powers the thermostat circuit
• Shielded capillary allows convenient mounting
• Consists of a diaphragm powerhead and micro switch assembly that responds to temperature changes in the boiler water
• Mounting lugs on back of case
  

  Sid Harvey Remanufactured C317-13R

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)
  

  Sid Harvey Remanufactured C317-2R

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)
  

  Sid Harvey Remanufactured C317-7R

Sid Harvey Remanufactured C346-73R

Sid Harvey Remanufactured C332-6R

Sid Harvey Remanufactured C346-72R

Sid Harvey Remanufactured C346-70R