Resideo L8148E1257 Aquastat Relay 120 VAC 140-240 Degrees Vertical Mount

Product Description

The Resideo L8148E1257 is an immersion-type aquastat relay designed for high limit protection and switching relay control of burner and circulator motors. Operating at 120 VAC, this vertical mount controller manages temperatures between 140 and 240 degrees Fahrenheit. It features a fixed differential and SPST switching action, making it suitable for various heating system applications.

• High limit opens burner circuit only.
• Vertical mounting case for flexible installation.
• Requires a 24 VAC thermostat with heat anticipator set at 0.2A.

Product Highlights

Immersion-type aquastat relay providing high limit protection and control for heating systems, with a temperature range of 140-240°F.

Product Information

Standard Information

• Brand: RESIDEO
• Manufacturer Part Number: L8148E1257

Technical Specifications

• Type: Aquastat Relay
• Input Voltage: 120 VAC
• Mounting Type: Vertical
• Application: High Limit, Low Limit
• Differential: Fixed
• Max Temperature: 240°F
• Min Temperature: 140°F
• Switch Action: SPST
• Max Temperature Differential: 15°F
• Temperature Range: 140°F to 240°F
• Capillary Length: 4-1/2 in
• Frequency: 60 Hz
• Humidity Rating: 0 to 95% Non-Condensing
• Insulation Depth: 1-1/2 to 3 in
• Pressure Rating: 255 psi