Weil McLain 510-312-091 Hi-Low Limit 318172-701 this condensing heat exchanger kit

this condensing heat exchanger kit is essential when addressing secondary heat exchanger failure

Technicians usually identify failure through a burner that won't ignite despite receiving a 24V signal

Wall Mount Design: Ensures proper airflow over the sensing element for representative room temperature readings

This kit is specifically engineered for maintenance on screw-type manual operator configurations

As a professional-grade component

Weil McLain 510-312-091 Hi-Low Limit 318172-701 this condensing heat exchanger kitThe Weil McLain 510 312 091 Hi Low Limit is a specialized hydronic control engineered for precise water temperature regulation in residential and commercial boiler systems. Designed for field proven reliability, this aquastat limit control manages the high limit (to prevent system overheating) and the low limit (to maintain base water temperature), crucial for boilers equipped with tankless coils. This W M OEM part features a 120 VAC power rating with