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L8148J1009/U Aquastat Relay, 120 – 240 °F Range with 8 °F Fixed Differential, Low Volt/Millivolt
Brand: Resideo Technologies Inc
Immersion-type controllers that combine high limit protection with switching relay control of burner and circulator motors.
Features- High Limit Opens Burner Circuit Only.
- Select Models Include Transformer and Accessory Terminals for Adding a Remote Low Limit Controller.
- Case Available for Horizontal or Vertical Mounting.
- Requires a 24 Vac Thermostat with Heat Anticipator Set at 0.2A.
- Tradeline Models Include Well Adapter, Tube of Heat Conductive Compound and Range Stops
Specifications
Brand
Hazmat Information
- UN 1294, TOLUENE, 3, II
Dimensions
- Vertical Mount: 6 1/8 in. high x 4 5/16 in. wide x 3 1/8 in. deep; Horizontal Mount: 4 5/16 in. high x 6 1/8 in. wide x 3 1/8 in. deep
- Vertical Mount 156 mm high x 110 mm wide x 79 mm deep; Horizontal Mount: 110 mm high x 156 mm wide x 79 mm deep
Maximum Safe Operating Pressure
- Immersion Well: 255 psi
- Immersion Well: 1757 kPa
Temperature Range
- Maximum: 150 °F with 1.2 A 24 V load; 77 °F with 1.4 A 24 V load
- Maximum: 66 °C with 1.2 A 24 V load; 25 °C with 1.4 A 24 V load
Mounting
- Horizontal or Vertical
Electrical Ratings
- Low Voltage:0.8 A max. @ 24 Vac; Millivolt:0.25 A @ 1/4 to 12 Vdc
Frequency
- 60 Hz
Approvals, Underwriters Laboratories Inc.
- UL Listed: File No. MP466, Vol. 13, Sec. 2, Guide No. MBPR2.
Approvals, Canadian Standards Association
- Certified: File No. LR1620, Guide No. 400-E-O
Tradeline Value
- Tradeline
Electrical Connections
- Quick-Connect / Screw
Operating Humidity Range
- 0 to 95% RH, non-condensing
Voltage
- 120 Vac
Operating Temperature Range
- High Limit: 120 °F to 240 °F
- High Limit: 54 °C to 116 °C
Differential Temperature
- 8 °F fixed
Switching Action
- SPST: High Limit & Circulator
Anticipator Setting
- 0.2 A
Capillary Length
- 4-1/2 in.
- 114 mm
Insulation Depth
- 1-1/2 in. to 3 in. less well
- 38 mm to 76 mm less well
Electrical Ratings, Burner
- At Full Load - Low Voltage: 0.8 A max. @ 24 Vac: Line Voltage: 7.4 A @ 120 Vac: 3.7 A @ 240 Vac; At Locked Rotor - Line Voltage: 44.4 A @ 120 Vac: 22.7 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
- Aquastat Relay