• Intermittent level test - maximum protection for foaming boilers
• 15 sec burner off delay
• 30 sec burner on delay
• Low water indicating light
• Direct boiler mounting - eliminates blowdowns

McDonnell & Miller CO-12

• Totally enclosed micro switch snap-acting switches operate on temperature rise to setpoint
• Visible control point scale and external adjustments screw permit easy setting
• Horizontal or vertical insertion of the sensing element
• Remote bulb model may be used to sense air temperature in ducts and in outside air sensing applications
• Direct or well immersion of the sensing element
• Includes heat-conductive compound, well adapter Honeywell L4006E1067 High Limit Manual Reset Aquastat, 130 - 270 deg F, 10 - 25 deg F DifferentialSid Harvey Item #:C290-6: Replaces Part #:'s : L39-029,
  
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  Honeywell C290-6

• Totally enclosed micro switch snap-acting switch
• Visible control point scale and external adjustments screw permit easy setting
• Available horizontal or vertical mounting of the remote element into boiler, tank or other container
• Remote temperature sensing element detects and responds rapidly to temperature changes
• Case mounts to a vertical surface
• Includes 66" length capillary tubing, stop factory set at 240 F

Honeywell C293-4

Honeywell C293-3

• Totally enclosed micro switch snap acting switches operate on temperature rise to setpoint
• Visible control point scale and external adjustments screw permit easy setting
• Horizontal or vertical insertion of the sensing element
• Direct/well immersion of the sensing element
• Remote bulb model may be used to sense air temperature in ducts and in outside air sensing applications
• Contacts break on temperature rise
• Screw terminals wiring

Honeywell C290-6A

• 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: 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
• 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
• Includes 3" insertion well and ground screw

Honeywell C317-2B

• Immersion-type controllers that combine high limit protection with switching relay control of burner and circulator motors
• High limit opens burner circuit only
• Require 24 VAC thermostat with heat anticipator set at 0.2 amp (plus current draw of gas valve on L8124E)
• 1-1/2 - 3" depth less well insulation
• Electrical burner rating: at full load: 7.4 amp at 120 VAC, 3.7 amp at 240 VC; at locked rotor: 44.4 amp at 120 VAC, 22.2 amp at 240 VAC; millivolt: 0.25 amp at 1/4 - 12 VDC
• Electrical circulator rating: at full load: 7.4 amp at 120 VAC, 3.7 amp at 240 VAC; at locked rotor: 44.4 amp at 120 VAC, 22.2 amp at 240 VAC Honeywell L8148J1009/U Aquastat Relay, 120 VAC at 60 Hz, SPST, 120 - 240 deg F High Limit, 8 deg F Fixed DifferentialSid Harvey Item #:C312-9: Replaces Part #:'s : L8148E1000,
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  Honeywell C312-9

• Non adjustment

• Totally enclosed micro switch snap acting switches operate on temperature rise to setpoint
• Visible control point scale and external adjustments screw permit easy setting
• Horizontal insertion of the sensing element
• Direct/well immersion of the sensing element
• Remote bulb model may be used to sense air temperature in ducts and in outside air sensing applications
• Contacts make on temperature rise
• Screw terminals wiring

• 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: 7.4 amp at 120 VAC, 3.7 amp at 240 VAC full load; 44.4 amp at 120 VAC, 22.7 amp at 240 VAC locked rotor
• 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