Weil McLain 510-312-209 Temperature Control Freon The cartridge seats into the

The cartridge seats into the valve body using a 4mm Allen wrench

The 'L' stands for Limit

including the GMNT080-4B and GMNTE080-4 series

System Efficiency: Minimizes downtime by preventing motor damage from phase loss or overload conditions

The S1-031-00652-000 coordinates essential HVAC compressor operation and fan timing

Weil McLain 510-312-209 Temperature Control Freon The cartridge seats into theThe Weil McLain 510 312 209 is a field proven High Limit Temperature Control engineered for critical hydronic safety in residential and commercial boiler systems. Designed specifically for the Weil McLain EG, EGH, LGB, MGB, and SGO boiler series, this SPST aquastat provides reliable over temperature protection. It operates on an automatic recycle logic, ensuring that the system restarts without manual intervention once water temperatures return to