• 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 break on temperature rise
• Screw terminals wiring
• Includes heat-conductive compound

Honeywell C290

Honeywell L4008E1156

• An immersion type liquid-filled sensing element actuates (2) snap switches
• (1) switch operates as a high limit control
• The other switch operates as a low limit and/or circulator control, depending on the model
• Controller may be mounted in any positioning and needs no leveling
• Separate, easy-to-read, calibrated dial and setpoint adjustments for each switch
• Differential adjustment on low limit or circulator switch on select models
• All adjustments accessible inside front cover
• Push-in terminals for quick connecting
• 1-sensing element for easy installation
• (2) SPST snap switches act independently at respective temperature settings
• 3" insulation depth
• 360 VA transformer load ignition electrical ratings
• High limit, low limit and/or circulator controllers used to regulate boiler water temperature in gas- or oil-fired hydronic heating systems

Honeywell C322-4A

• 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 or well immersion of the sensing element
• Remote bulb model may be used to sense air temperature in ducts and in outside air sensing applications
• Screw terminals wiring
• For strap-on mounting

Honeywell L4006A2114

Honeywell C293-3

• 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

Resideo L8148E1265

• 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 L6006A1244