this control is highly versatile across various voltage requirements

It employs flame rectification technology for remote flame sensing

Heavy-Duty Construction: The plated steel spring design prevents oxidation and fatigue

you eliminate the need for thermowells or system drainage

this Grade 7 coalescing filter provides critical protection for downstream equipment

Watts 0121542 Relief Valve R-410A this control is highly versatileThe Watts 0121542 is a high capacity boiler pressure relief valve designed for commercial and industrial hydronic heating systems. Specifically engineered for hot water heating supply boilers, this 1. 5 inch LF174A valve provides critical protection against excessive pressure buildup. It features a robust lead free copper silicon alloy body and is factory set at 50 PSI. With a massive relief capacity of 2,950,000 BTU hr, the 174A series is the