6-16 | Thermox WDG-V / VC / VCM with Blow Back
Combustible Block Heater Replacement
(Only on Combustible/Methane Units))
Use Figure 8-8:
1. Disconnect heater wires.
2. Loosen the 4.0 mm hex screw.
3. Remove the combustible block heater by sliding it out.
4. Replace the box heater
5. Tighten the hex screw into place.
6. Reconnect the wires on the sensor board.