Fenwal 35-602900-917 Ignition Module 319848-301 Ensure the thermocouple nut is

Ensure the thermocouple nut is hand-tight plus a 1/4 turn into the gas valve and verify the pilot tubing has no kinks that could restrict natural gas or LP flow

While a 3-pole contactor can technically switch two lines of power

0 Amps output current at 24Vdc

Redundant Sensing Technology: Combines mechanical float operation with dual integral conductance probes for secondary low water protection

this barometric draft control is designed for atmospheric or negative pressure venting systems

Fenwal 35-602900-917 Ignition Module 319848-301 Ensure the thermocouple nut isThe Fenwal 35 602900 917 Ignition Module is a high performance 24V direct spark ignition control engineered for precision timing and flame supervision in gas fired heating systems. Designed as a microprocessor based solution, this 24V ignition module provides reliable trial for ignition sequences and continuous flame monitoring across natural, propane, and manufactured gas applications. Its compact Noryl gray enclosure and microprocessor ignition