Lennox 48X63 - Circulator Control High Limit / Low Limit Aquastat Controller (65°F to 200°F Operating Temperature)
The Lennox 48X63 Aquastat Controller is a precision-engineered temperature control device designed to manage water temperatures in hydronic heating systems. Whether used as a high limit safety cutoff or a low limit circulator control, this aquastat ensures dependable performance, energy-efficient operation, and protection for your system’s vital components.
Product Overview:
This controller plays a critical role in maintaining proper water temperature within a hot water heating system. As a high limit control, it prevents overheating by shutting off the burner when water temperature exceeds the set threshold. When used as a low limit control, it maintains minimum water temperature for domestic hot water or freeze protection and can enable or disable circulator pumps based on temperature readings.
Key Features & Benefits:
- Wide Operating Temperature Range: Adjustable from 65°F to 200°F, suitable for a broad variety of heating applications including baseboard, radiator, and radiant systems.
- Versatile Configuration: Can be set up as a high limit aquastat, low limit aquastat, or circulator control, depending on system design and user needs.
- Precise Temperature Control: Provides accurate and reliable sensing, helping to maintain system balance and comfort.
- Integrated Switch Contacts: Includes SPST (Single Pole, Single Throw) switch contacts to control circulator pumps, burners, or alarms depending on temperature thresholds.
- Durable Construction: Housed in a sturdy metal enclosure with secure mounting capabilities for long-term reliability in mechanical rooms and boiler systems.
- Simple Adjustments: Front-facing dial and setpoint indicator provide easy access and calibration without system disassembly.
- Boiler water temperature monitoring and control
- Hydronic baseboard and panel radiator heating systems
- Domestic hot water preheat loop control
- Circulator pump operation control based on minimum temperature
- Freeze protection in radiant floor heating systems
- Lennox Part Number: 48X63
- Type: Aquastat controller (High Limit or Low Limit)
- Temperature Setpoint Range: 65°F to 200°F
- Switch Action: SPST
- Electrical Ratings: Compatible with standard 24V control systems
- Mounting: Strap-on or immersion well (depending on system design)
- Sensor Type: Capillary tube with bulb sensor
Why Buy from Beenimax.com?
At Beenimax.com, we offer 100% genuine Lennox OEM replacement parts to ensure perfect compatibility and long-term system integrity. Our aquastats are in stock and ready to ship, with detailed technical support available for contractors and DIY users alike. We back each product with a commitment to quality, competitive pricing, and expert service you can trust.
Ensure optimal system safety and temperature control with the Lennox 48X63 Aquastat — a dependable solution for modern hydronic heating systems.