Aaon R84870 Wire 318973-401 Using a multimeter set to

Using a multimeter set to millivolts (mV)

restoring the unit to original factory specifications for efficient gas combustion and reliable ignition sequences in mobile home furnace applications

the double-acting capability allows the unit to bleed air into the flue to assist the chimney

This unit is specifically designed for hydronic heating and boiler applications

Key Benefits for the Jobsite: Direct Contactor Mounting: Optimized for TeSys D contactors (D25–D38)

Aaon R84870 Wire 318973-401 Using a multimeter set toThe Aaon R84870 is a high performance spark wire black 20" ignition cable engineered for precision in industrial and commercial HVAC systems. This genuine Aaon replacement part serves as the critical high voltage conductor that links the ignition module to the spark plug or ignitor. Designed to deliver a consistent high voltage discharge, this 20 inch HVAC ignition cable facilitates rapid combustion initiation in furnaces, boilers, and kilns. Its