6-14 | Thermox WDG-V / VC / VCM with Blow Back
Heater Replacement
There is only one heater in the O2 version. There are two heaters in
the Combustible/Methane version of the WDG-V.
Box Heater Replacement
Use Figure 8-7:
1. Disconnect heater wires.
2. Remove the speed clip from the mounting tab. Use needle-nose pliers
to remove the clip.
3. Remove the box heater by sliding it out.
4. Replace the box heater
5. Attach a new speed nut to the post.
6. Reconnect the wires on the sensor board.