Description
The Honeywell L8124G1020 is a Triple Aquastat Relay engineered for precise hydronic boiler system control, combining high limit, low limit, and circulator relay functions in a single, compact unit. Designed for residential and light commercial hot water heating systems, this aquastat simplifies wiring and installation while delivering reliable, multi-function temperature protection and control.
Key Features
- Triple aquastat relay combines high limit, low limit, and circulator relay in one device
- 10° fixed high limit differential for consistent high-side temperature control
- 10–25° adjustable low limit differential for flexible low-side performance
- SPST switching on both high and low limit circuits
- High limit operating range: 130–240°F for broad boiler compatibility
- Low limit operating range: 110–220°F
- Integrated relay simplifies circulator pump control
- Compact, single-unit design reduces installation complexity and wiring time
Specifications
- SKU: L8124G1020
- Brand: Honeywell
- Type: Triple Aquastat Relay with High Limit
- High Limit Differential: 10° Fixed
- Low Limit Differential: 10–25° Adjustable
- High Limit Switching: SPST
- Low Limit Switching: SPST
- High Limit Operating Range: 130–240°F
- Low Limit Operating Range: 110–220°F
Application
The L8124G1020 is ideal for use on residential and commercial hot water boilers where combined high limit safety shutoff, low limit boiler protection, and circulator relay control are required in a single controller. Its wide operating range and adjustable low limit differential make it adaptable to a variety of hydronic heating system configurations.
