The Aquastat Relay is designed for millivolt or low voltage applications, providing reliable temperature control in heating systems. This relay is essential for maintaining optimal water temperatures in boilers and other heating equipment. It features a durable construction and is compliant with industry standards for safety and performance. The Aquastat Relay is easy to install and integrates seamlessly with various heating systems, making it a vital component for efficient operation.
Residential Comfort/Combustion : Combustion Controls : Aquastats : Aquastats Gas - Multifunction : L8148 : L8148J1009/U
Aquastat Relay, 120 240 F range with 8 degree F fixed differential, low volt/millivolt
Overview
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..
Product Specifications
- Hazmat Information
- UN1294 Toluene
- Application
- Aquastat Relay
- Dimensions (in.)
- 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
- Dimensions (mm)
- 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 (psi)
- Immersion Well: 255 psi
- Maximum Safe Operating Pressure (kPa)
- Immersion Well: 1757 kPa
- Temperature Range (F)
- Maximum--150 F with 1.2 A 24 V load; 77 F with 1.4 A 24 V load
- Temperature Range (C)
- 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, CSA
- Certified: File No. LR1620, Guide No. 400-E-O
- Tradeline Value
- Tradeline
- Electrical Connections
- Quick-Connect / Screw
- Operating Humidity Range (% RH)
- 0 to 95% RH, non-condensing
- Voltage
- 120 Vac
- Operating Temperature Range (F)
- High Limit-- 120 F to 240 F
- Operating Temperature Range (C)
- High Limit-- 54 C to 116 C
- Differential Temperature (F)
- 8 F fixed
- Switching Action
- SPST: High Limit & Circulator
- Anticipator Setting
- 0.2 A
- Capillary Length (in.)
- 4 1/2 in.
- Insulation Depth (in.)
- 1 1/2 in. to 3 in. less well.
- Insulation Depth (mm)
- 38 mm to 76 mm less well
- Capillary Length (mm)
- 114 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; Millivolt--0.25 A @ 1/4 to 12 Vdc
- 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
