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L8124A1007/U Triple Aquastat Relay for Oil Applications, Vertical Case, 1.5" Insulation Depth
Brand: Resideo Technologies IncImmersion-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.
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 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
Operating Humidity Range
- 0 to 95% RH, non-condensing
Voltage
- 120 Vac
Operating Temperature Range
- High Limit: 130 °F to 240 °F adjustable; Low Limit: 110 °F to 220 °F adjustable
- High Limit: 54 °C to 116 °C adjustable; Low Limit: 43 °C 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
- High Limit Protection, Low Limit and Circulation Control
Documentation
Brochure
- English Sales/Promotional Materials-Sell Sheet for L7224U Universal Electronic Aquastat pdf 161 KB
- English Sales/Promotional Materials-Sell Sheet for L8124A, L8124C and L8148A Aquastat Relays pdf 2.4 MB
- French Sales/Promotional Materials-Sell Sheet for L7224U Universal Electronic Aquastat pdf 160 KB