Laars FT Series Installation And Operation Instructions Manual page 39

The FT Series Heating Only, Boiler
The FT Series, Heating Only, Gas Conversion Kit
3.
Using a Phillips screwdriver, remove the 4 screws on the front cover. See Figure A.
GAS
VALVE
GAS
INLET PIPE
( FTHW
4.
Locate the Gas Inlet Pipe at the top of the unit as is shown in Figure A, and loosen the Brass Fittings at both ends
of the Gas Inlet Pipe.
5.
Completely un-thread the Brass Fittings at the blower end of the Gas Inlet Pipe, and then carefully swing the Gas
Inlet Pipe to the left, just enough so that it is out of the way. See Figure B.
ORIFICE
BRASS FITTINGS
( FTHW
6.
Remove the existing Natural Gas Orifi ce. Save the Packing for re-use. It is also advised to save the orifi ce just in
case the unit needs to be converted back to natural gas at any time in the future.
7.
Replace the old Orifi ce with the new one for LP (propane). Re-use the Packing from previous.
8.
Return the Gas Inlet Pipe to its original position and tighten both of the Brass Fittings.
COMBUSTION
TEST PORT
BLOWER
COVER
100 / 140
)
PACKING
100 / 140
)
800.900.9276 • Fax 800.559.1583
20 Industrial Way, Rochester, NH 03867 • 603.335.6300 • Fax 603.335.3355
1869 Sismet Road, Mississauga, Ontario, Canada L4W 1W8 • 905.238.0100 • Fax 905.366.0130
www.Laars.com
GAS
VALVE
GAS
INLET PIPE
Figure A
( FTHW
BRASS FITTINGS
Figure B
(Customer Service, Service Advisors)
Document 4387
COMBUSTION
TEST PORT
BLOWER
COVER
199
)
PACKING
ORIFICE
199
)
( FTHW
(Applications Engineering)
Page 39
Flat Side
Inward
pg 2 of 4