the 143-16-511-09 simply pulls off the valve stem for a tool-free swap-out

Durable SPST Contacts: High-quality internal Single Pole Single Throw switch ensures consistent electrical continuity

Key Technical Benefits Continuous Duty Cycle: Engineered to remain energized for extended periods without overheating or coil failure

This American-made 1/2 SAE x 3/8 MPT x 1/2 SAE fitting is machined from premium C360 brass

Weil McLain 511-330-148 Ignitor Replacement Kit Els PW 17895 the 143-16-511-09 simply pulls offThe Weil McLain 511 330 148 Ignitor Replacement Kit is a critical OEM component designed for high performance ignition in Weil McLain GV, GV90+, HE, HE II, and AHE series boilers. This comprehensive hot surface igniter (HSI) kit serves as a direct upgrade for the discontinued 511 330 145 and is essential for maintaining the 200 ohm resistance parameters required by United Technologies 1013 200 control boards. Utilizing a Norton 271Y silicon carbide