Always verify your specific pump nameplate before installation

always mount the switch with the diaphragms in a vertical plane

Using an incorrectly pitched wheel will fail to generate the necessary draft

the 100281080 kit includes all relevant hardware displayed

this kit addresses common failure points such as worn diaphragms

Fenwal 35-63J101-015 Control R-407C Always verify your specific pumpThe Fenwal 35 63J101 015 is a robust 24VAC Intermittent Pilot Ignition (IPI) control module engineered for precision gas valve sequencing. This unit serves as a high reliability direct spark ignition controller for gas fired heating equipment, featuring a 15 second ignition trial and a 30 second prepurge cycle to ensure safe combustion environments. Designed for micro processor based flame sensing, it utilizes flame rectification technology to monitor