DINOSAUR ELECTRONICS HOME PAGE
IGNITOR BOARDS REPLACEMENTS for ONAN® OTHER PRODUCTS
REPLACEMENTS for DOMETIC® REPLACEMENT EYEBROWS COMPANY INFORMATION
REPLACEMENTS for NORCOLD® BOARD TESTERS WARRANTY INFO
CUSTOMER SERVICE


DuoTherm® 900/9000 series furnace modification


For 12 Volt DuoTherm® furnaces that have the thermostat in
the ground circuit.

DuoTherm mod.pdf (60 kB)

These schematics show how to wire the thermostat from the ground side of the circuit to the
positive side of the circuit and then how to wire a Dinosaur Fan Control or FAN 50 Plus board.
These schematics are provided as a courtesy and are to be used at your own discretion.
Modification of any gas appliance can void warranties and/or cause serious injury or fatalities.
We recommend that these modifications be done by a qualified service technician familiar
with RV gas appliances.