L8124 Triple Aquastat® Relays ( Immersion-type ) (Honeywell)
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Honeywell L8124 Triple Aquastat® Relay:
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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.
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.
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.
Electrical Ratings (burner AFL) 3.7 A @ 240 Vac, 7.4 A @ 120 Vac
Electrical Ratings (burner ALR) 22.2 A @ 240 Vac, 44.4 A @ 120 Vac
Electrical Ratings (circulator AFL) 3.7 A @ 240 Vac, 7.4 A @ 120 Vac
Electrical Ratings (circulator ALR) 22.2 A @ 240 Vac, 44.4 A @ 120 Vac
Voltage 120 Vac
Application High Limit Protection, Low Limit and Circulation Control
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 Association Certified: File No. LR1620, Guide No. 400-E-O
Dimensions (in.) 6 1/8 in. high, 4 3/8 in. wide, 3 1/16 in. deep
Dimensions (mm) 156 mm high, 111 mm wide, 78 mm deep.
Insulation Depth (in.) 3 in.
Insulation Depth (mm) 76 mm
Mounting Vertical Mounting
Temperature Ratings (max. ambient)(F) 150 F at switches, 265 F at sensing element.
Temperature Ratings (max. ambient)(C) 66 C at switches, 129 C at sensing element.
Includes 3 in. insertion well and ground screw.
Description Aquastat Controller
Differential Temperature (F) High limit : 10 F fixed; low limit: 10-25 F adj.
Humidity Ratings (% RH) 0 to 95% RH, non-condensing 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.
Replaces Part Numbers:CARL8124A1015.