The Rheem-Ruud 60-18556-86 Pilot Valve is a single-stage gas valve engineered for HSI/DSI ignition systems and high-demand applications

providing a critical safety barrier against thermal expansion and excessive pressure

or failure to initiate the pre-purge cycle during ignition attempts

The G7100D is primarily designed for water and glycol solutions

Lennox 10H21 Transformer R-134A The Rheem-Ruud 60-18556-86 Pilot ValveThe Lennox 10H21 Transformer (Model LB 95312G) is a heavy duty, factory authorized step down transformer engineered specifically for high voltage industrial and commercial HVAC applications. Featuring a 575V primary input (rated up to 600VAC at 60Hz) and a 230V secondary output, this 175VA transformer provides the high capacity power regulation required for sophisticated control circuits, contactors, and relays within Lennox equipment. Built for