the control should be mounted so the probe is at or above the minimum safe water level specified by the boiler manufacturer

This left-hand specific coupler is designed to eliminate slippage and ensure responsive adjustment of the air damper within the ductwork

Durable Construction: Built with a corrosion-resistant brass body and rated for high safe-working pressures common in commercial HVACR

The BASO K19AT-18 is a professional-grade Super Slim Jim universal replacement thermocouple designed for high-reliability performance in standing pilot ignition systems

Williams P501704 Gas Valve Els PW 29614 the control should be mountedThe Williams P501704 Gas Valve is a critical OEM replacement part engineered for precise manifold pressure regulation in Williams Furnace heating systems. This natural gas control valve is factory set for a 3. 5" WC (Water Column) output to maintain optimal combustion efficiency and thermal output. Designed with standard 1 2" NPT connections, it ensures a secure, leak resistant interface with existing gas manifolds and pilot lines. Primarily utilized