Weil-McLain 510312250 Operating Temperature Control, CG Boilers, CGa Boilers, CGi Boilers, CGs Boilers, CGT Boilers, CGx Boilers, EG Boilers, EGH Boilers, PFG Boilers

Weil-McLain High Limit Temperature Control – Precision Boiler Protection

The Weil-McLain High Limit Temperature Control is engineered to safeguard boiler systems by regulating water temperature within safe operating limits. With a control range of 140°F to 240°F and an automatic recycle function, this component ensures consistent performance while preventing overheating conditions in hydronic heating systems.

Performance Highlights

• Wide Temperature Range: Adjustable from 140°F to 240°F, suitable for a broad range of boiler applications.
• Automatic Reset: Maintains continuous system control without requiring manual resets.
• Fixed 30°F Differential: Delivers stable operation and precise temperature management.
• 1/2" NPT Immersion Well: Standard connection size for secure system integration.
• Cross-Compatible: Functional equivalent to Honeywell L4080D-1036 and White-Rodgers 11B81-3.

Technical Specifications

• Application: Boiler High Limit Temperature Control
• Temperature Range: 140°F – 240°F
• Differential: 30°F subtractive, non-adjustable
• Connection: 1/2" NPT well
• Operation: Automatic recycle

Installation Notes

This control is designed for straightforward integration but should be installed by a licensed HVAC or plumbing professional to ensure compliance with codes and manufacturer requirements. Correct placement in the immersion well and proper wiring are critical for safe operation. Incorrect installation can result in poor boiler performance or unsafe temperature excursions.

Professional Applications

For Contractors: The Weil-McLain high limit control provides dependable protection on retrofit and new boiler installations. Its compatibility with multiple replacement models reduces stocking requirements and simplifies service calls.

For Facilities and Maintenance Teams: This unit delivers consistent safety performance, reducing the risk of equipment failure and extending boiler service life.

Summary

The Weil-McLain High Limit Temperature Control combines reliability, compatibility, and straightforward operation in one essential boiler component. With its robust design and proven performance, it ensures boilers maintain safe temperature limits under demanding conditions.