The burner itself is a mechanical component

The standard threaded stem and push down to close action facilitate seamless integration with compatible VG7000 series pneumatic and electric actuators

Exceeding these limits can compromise the sensing element

the Belimo B209B is specifically designed for water and glycol solutions

significantly lowering AFUE ratings and potentially overheating nearby electrical components

Lochinvar & A.O. Smith 100191120 Ignitor 320735-701 The burner itself is aThe Lochinvar & A. O. Smith 100191120 Ignitor is a critical OEM spark ignitor assembly engineered for high efficiency commercial gas fired water heaters and boilers. Designed specifically for compatibility with the A. O. Smith Cyclone Mxi (BTH, SUF, and HCG Series 200 201), this commercial water heater ignitor ensures precise, reliable spark generation for consistent burner ignition. This assembly features high grade ceramic insulation and a durable