It requires the inducer motor to generate the specific vacuum pressure to close the internal contacts and complete the sequence of operation to the ignition control board

This genuine OEM heating replacement part is the standard specification for Marley

M503-524-501

this valve is factory set at 60 PSI to manage high-volume discharge requirements

Maxitrol 325-5BL600-3/4 Regulator Els PW 17895 It requires the inducer motorThe Maxitrol 325 5BL600 3 4 is a professional grade line pressure gas regulator engineered for high demand residential, commercial, and industrial 5 PSI piping systems. This 3 4" NPT unit features a robust lever acting design with an integrated Overpressure Protection Device (OPD), ensuring a positive dead end lockup and precise regulation from maximum flow down to pilot levels. Built with advanced Imblue Technology, the 325 5BL600 3 4 provides