Honeywell L8124A1007 High Limit Protection, Low Limit & Circulator Triple Aquastat Relay

SKU: L8124A1007

$408.80

Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems, including domestic hot water service.

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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).
  • Description :High Limit Protection, Low Limit and Circulation Control Triple Aquastat Relay with High limit : 10 F fixed low limit: 10-25 F adj. Differential
  • Application : High Limit Protection, Low Limit and Circulation Control
  • Operating Range, Low Limit (F) : 110 F to 220 F adj.
  • Operating Range, Low Limit (C) : 43 C to 104 C adj.
  • Operating Range, High Limit (F) : 130 F to 240 F adj.
  • Operating Range, High Limit (C) : 54 C to 116 C adj.
  • Differential Temperature (F) : High limit : 10 F fixed; low limit: 10-25 F adj.
  • Maximum Operating Pressure (psi) : 200 psi on outside of immersion well, 100 psi on capsule if inserted directly.
  • Maximum Operating Pressure (kPa) : 1378 kPa on outside of immersion well, 690 kPa on capsule if inserted directly.
  • Electrical Ratings (burner AFL) : 7.4 A @ 120 Vac
  • Electrical Ratings (burner AFL) : 3.7 A @ 240 Vac
  • Electrical Ratings (burner ALR) : 44.4 A @ 120 Vac
  • Electrical Ratings (burner ALR) : 22.2 A @ 240 Vac
  • Electrical Ratings (circulator AFL) : 7.4 A @ 120 Vac
  • Electrical Ratings (circulator AFL) : 3.7 A @ 240 Vac
  • Electrical Ratings (circulator ALR) : 44.4 A @ 120 Vac
  • Electrical Ratings (circulator ALR) : 22.2 A @ 240 Vac
  • Voltage : 120 Vac
  • Dimensions (in.) : 6 1/8 in. high x 4 3/8 in. wide x 3 1/16 in. deep
  • Dimensions (mm) : 156 mm high x 111 mm wide x 78 mm deep
  • Insulation Depth (in.) : 1 1/2 in.
  • Insulation Depth (mm) : 38 mm
  • Mounting : Vertical Mount
  • Operating Humidity Range (% RH) : 0 to 95% RH, non-condensing
  • Maximum Ambient Temperature (F) : 150 F at switches, 265 F at sensing element.
  • Maximum Ambient Temperature (C) : 66 C at switches, 129 C at sensing element.
  • Approvals, Underwriters Laboratories Inc : UL Listed (models with well): File No. MP466, Guide No. MBPR UL Component Recognized (models without well): File No. MP466, Guide No. MBPR2
  • Approvals, Canadian Standards
Weight 8.5 lbs
Brand

Attachments

Installation Instructions L8124A,C,E,L, Specification L8124

Installation Instructions L8124A,C,E,L
Download PDF
Specification L8124
Download PDF