Resideo L8124A1007/U Triple Aquastat Relay, 120 VAC, High Limit 130–240°F, Low Limit 110–220°F

Triple aquastat relay line voltage burner control, 120 V 60 Hz, with 130–240°F high limit (10°F fixed differential) and 110–220°F low limit (10–25°F adjustable differential).

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

Specifications

• Brand: Resideo (Honeywell Home)
• Manufacturer Part #: L8124A1007/U
• Application: Aquastat Relay with High Limit Protection, Circulator Control and Low Limit
• Approvals and Standards: UL Listed (models with well): File No. MP466, Guide No. MBPR, UL Component Recognized (models without well): File No. MP466, Guide No. MBPR2, CSA Certified: File No. LR1620, Guide No. 400-E-O
• Color: Gray
• Compatible With: Hot Water, Hydronic Heating Systems
• Includes: No Well
• Mounting Type: Vertical Mount
• Low Limit Differential Temperature: 10 °F to 25 °F Adjustable
• Low Limit Set point Temperature (Min): 110 °F, 43 °C, Adjustable
• Low Limit Set point Temperature (Max): 220 °F, 104 °C, Adjustable
• High Limit Differential Temperature: 10 °F Fixed
• High Limit Set point Temperature (Min): 130 °F, 54 °C, Adjustable
• High Limit Set point Temperature (Max): 240 °F, 116 °C, Adjustable
• Electrical Ratings at Full Load: 7.4 A at 120 V AC, 3.7 A at 240 V AC
• Electrical Ratings at Locked Rotor: 44.4 A at 120 V AC, 22.2 A at 240 V AC
• Operating Pressure (Max): 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
• Type of Fuel: Oil
• Insulation Depth: 1.5 in, 38 mm
• Product Height: 6.13 in, 156 mm
• Product Length: 4.38 in, 111 mm
• Product Width: 3.06 in, 78 mm
• Hazmat Information: Dangerous Goods in Excepted Quantities
• UPC: 085267054850
• Country of Origin: US
• Category: Aquastats & Wells

Questions about fit or compatibility? Ask our team. We usually reply within one business day.