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L8124A1007/U Triple Aquastat Relay for Oil Applications, Vertical Case, 1.5" Insulation Depth

Part Number: L8124A1007/U Brand: Resideo Technologies Inc

Triple Aquastat Relay for Oil Applications, Vertical Case, 1.5" Insulation Depth

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Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems, including domestic hot water service.
Features
  • Immersion-type Controllers that Combine High Limit Protection with Low Limit and Circulator Control in Forced Hydronic Heating Systems.
  • Provide Multizone 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 A - Plus Current Draw of Gas Valve on L8124E.
  • Tradeline Models Include Tube of Heat Conductive Compound and Range Stops.
Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems, including domestic hot water service.
Features
  • Immersion-type Controllers that Combine High Limit Protection with Low Limit and Circulator Control in Forced Hydronic Heating Systems.
  • Provide Multizone 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 A - Plus Current Draw of Gas Valve on L8124E.
  • Tradeline Models Include Tube of Heat Conductive Compound and Range Stops.
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Specifications

Brand

Dimensions

  • 6-1/8 in. high x 4-3/8 in. wide x 3-1/16 in. deep
  • 156 mm high x 111 mm wide x 78 mm deep

Maximum Safe Operating Pressure

  • 200 psi on outside of immersion well, 100 psi on capsule if inserted directly.
  • 1378 kPa on outside of immersion well, 690 kPa on capsule if inserted directly.

Temperature Range

  • Maximum: 150° F at switches; 265° F at sensing element
  • Maximum: 66° C at switches; 129° C at sensing element

Includes

  • No Well

Mounting

  • Vertical Mount

Approvals, Underwriters Laboratories Inc.

  • UL Listed (models with well): File MP466, Guide No. MBPR; UL Component Recognized (models without well): File MP466, Guide No. MBPR2

Approvals, Canadian Standards Association

  • Certified: File LR1620, Guide No. 400-E-O

Operating Humidity Range

  • 0 to 95 % RH, Non-Condensing

Voltage

  • 120 Vac

Operating Temperature Range

  • High Limit: 130° to 240° F adjustable; Low Limit: 110° to 220° F adjustable
  • High Limit: 54° to 116° C adjustable; Low Limit: 43° to 104° C adjustable

Differential Temperature

  • High limit: 10° F fixed; low limit: 10° to 25° F adj.

Insulation Depth

  • 1-1/2 in.
  • 38 mm

Electrical Ratings, Burner

  • At Full Load - 7.4 A @ 120 Vac: 3.7 A @ 240 Vac; At Locked Rotor - 44.4 A @ 120 Vac: 22.2 A @ 240 Vac

Electrical Ratings, Circulator

  • At Full Load - 7.4 A @ 120 Vac: 3.7 A @ 240 Vac; At Locked Rotor - 44.4 A @ 120 Vac: 22.2 A @ 240 Vac
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Applications

  • High Limit Protection, Low Limit and Circulation Control
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