The Modine HD gas valves (White Rodgers 1 Stage Valve) for Hot Dawg heaters equipped with direct spark ignition. This includes any HD unit manufactured after 2007 with an AS in the model #. Modine Part # 5H79751 (NG) and 5H79869 (LP)

This valve works with Modine HD30AS, HD45AS, HD60AS, HD75AS, HD100AS, and HD125AS heaters. These units have a hot surface igniter.

Item # 4015, HD-4015, 4015195, 4015205