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GA9053A SERIES
MANUAL ON/OFF SAFETY VALVE/PILOT KIT
For All RADCO Triple Burner
Natural and Propane/LP Gas Logs
RGA 2-72
APPROVED
TESTED AND
LISTED BY
WARNING: If the information in this manual is not fol-
—
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The GA9053A Series Manual On/Off Safety Valve/Pilot kit contains the following:
• Piezo Ignitor 097159-04
• Manual Valve 901068-02
• Pilot Burner (with natural
gasorice) 901069-01
• Piezo Ignitor Electrode 901072-01
• Phillips Head Screw
#8x1/4"(4ea.) 901075-01
• Control Dial Instructions 901042-01
• Brass 3/8 FLR x 3/8 MPT Elbow 901056-01
• 18"/24" Propane/LP Brass
Orice(front) 901065-10
• 24" Propane/LP Brass Nozzle 901750-04
• 18" Propane/LP Brass Nozzle 901750-03
• Propane/LPPilotBurnerOrice901070-01
• Pilot Valve Control Dial 901079-01
• 3/8" NPT Close Pipe Nipple 901755-01
• Pilot Valve Dial Extension 3" 901080-01
• Propane Conversion Decal 901691-01
• Pilot Bracket 901768-01
• Screw,#10x5/8"Zinc,PH(2ea.) 11165
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901264-01F2
MODEL DESCRIPTION
Natural Gas
Minimum
CVTR18 18" Triple Burner 60,000 50,000 8" dia.
CVTR24 24" Triple Burner 70,000 60,000 8" dia.
*Add 2" if safety valve/pilot is used
**At depth indicated
Gas Min. Max.
NG 5.5" 10.5"
LP 11" 13"
LOG
SIZE
REAR REAR
18" .046 4x.064 .036 4x.043
24" .064 4x.064 .036 4x.0465
INSTALLATION
MODEL
WIDTH*
BACK
WIDTH** DEPTH HEIGHT
18" 28" 16" 14" 18"
24" 29
3
/
4
" 17" 15
1
/
2
" 18"
Figure 1 - Technical Information Charts
CHECK GAS TYPE
You must install this ON/OFF Safety Valve/
Pilot Kit if your gas type is propane/LP. For
additional convenience and safety, this ON/OFF
Safety Valve/Pilot Kit can be used with natural
gas. If you are unsure of the proper application,
call dealer where you bought log set.
If the replace does not have a gas supply shutoff
valve, one must be installed.
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Installation Items Needed
Before installing log set, make sure you have the
items listed below.
• piping (check local codes)
• sealant (resistant to propane/LP gas)
• equipment shutoff valve*
• test gauge connection*
• adjustable (crescent) wrench or pliers
• sediment trap
• tee joint
• pipe wrench
• exible gas line
• 10 mm Deep Socket
*A CSA design-certied equipment shutoff valve
with 1/8" NPT tap is an acceptable alternative to test
gauge connection. Purchase the optional CSA design-
certied equipment shutoff valve from your dealer.
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901264-01F 3
INSTALLATION
Continued
Figure 2 - External Regulator on
Propane/LP Supply Tank with Vent
Pointing Down
External Regulator
Vent Pointing Down
Propane/LP
Supply Tank
For propane/LP units, the installer must supply
an external regulator. The external regulator will
reduce incoming gas pressure. You must reduce
incoming gas pressure to between 11" and 14" of
water. If you do not reduce incoming gas pres-
sure, heater regulator damage could occur. Install
external regulator with the vent pointing down as
shown in Figure 2. Pointing the vent down protects
it from freezing rain or sleet.
WARNING: Never connect
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Installation must include an equipment shutoff
valve, union, and plugged 1/8" NPT tap. Locate
NPT tap within reach for test gauge hook up.
NPT tap must be upstream from log set (see
Figure 3).
IMPORTANT: Install equipment shutoff valve
in an accessible location. The equipment shutoff
valve is for turning on or shutting off the gas to
the appliance.
Check your building codes for any special re-
quirements for locating equipment shutoff valve
to appliance.
Apply pipe joint sealant lightly to male NPT
threads. This will prevent excess sealant from
going into pipe. Excess sealant in pipe could result
in a clogged burner orice.
sealant that is resistant to liquid
We recommend that you install a sediment trap in
supply line as shown in Figure 3. Locate sediment
trap where it is within reach for cleaning. Install
in piping system between fuel supply and heater.
Locate sediment trap where trapped matter is not
likely to freeze. A sediment trap traps moisture and
contaminants. This keeps them from going into log
set controls. If sediment trap is not installed or is
installed wrong, log set may not run properly.
Natural Gas
From Gas Meter
(5" W.C.** to 10.5"
W.C.Pressure)
From External
Regulator
(11" W.C.** to 14"
W.C.Pressure)
Figure 3 - Gas Connection
* Purchase the optional CSA design-certified
equipment shutoff valve from your dealer.
** Minimum inlet pressure for purpose of input
adjustment.
3" Minimum
Sediment Trap (Optional for
Propane/LPInstallation)
CSADesign-Certied
Equipment Shutoff Valve*
Approved Flexible Gas Hose
(ifallowedbylocalcodes)
Tee JointPipe Nipple
Cap
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901264-01F4
INSTALLATION
Continued
CHECKING GAS CONNECTIONS
WARNING: Never use an
-
PIPING SYSTEM
1. Disconnect log set and its individual equip-
ment shutoff valve from gas supply piping
system.
2. Cap off open end of gas pipe where equipment
shutoff valve was connected.
3. Pressurize supply piping system by either opening
propane/LP supply tank valve for propane/LP gas
or opening main gas valve located on or near gas
meter for natural gas, or using compressed air.
4. Check all joints of gas supply piping system.
Apply noncorrosive leak detection uid to all
joints. Bubbles forming show a leak.
5. Correct all leaks at once.
6. Reconnect log set and equipment shutoff valve
to gas supply. Check reconnected ttings for
leaks.
Test Pressures Equal To or Less Than
1. Close equipment shutoff valve (see Figure 4).
2. Pressurize supply piping system by either
opening propane/LP supply tank valve for
propane/LP gas or opening main gas valve
located on or near gas meter for natural gas,
or using compressed air.
3. Check all joints from gas meter for natural gas
(Figure 5) or propane/LP supply (Figure 6) to
equipment shutoff valve. Apply noncorrosive
leak detection uid to all joints. Bubbles form-
ing show a leak.
4. Correct all leaks at once.
Figure 4 - Equipment Shutoff Valve
Open
Closed
Equipment
Shutoff Valve
Figure 5 - Checking Gas Joints
(Natural Gas Only)
Gas Meter
Equipment Shutoff Valve
Propane/LP
Supply Tank
Equipment Shutoff Valve
Figure 6 - Checking Gas Joints
(Propane/LP Gas Only)
WARNING: You must use a
Natural Gas Installation
1. Thread the gas control valve onto the close
pipe nipple (see Figure 7, page 5). Use thread
sealant on the male threads of tting. Hold
manifold block with a wrench to prevent
stressing connections to burners. Make sure
the control rod is facing the front (see Figure
7, page 5).
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901264-01F 5
INSTALLATION
Continued
2. Attach pilot gas line to pilot outlet of gas con-
trol valve and tighten. Connect thermocouple
to rear of gas control valve (see Figure 8, page
5). Do not overtighten (nger tight plus 1/4
turn). If using propane/LP gas, see Changing
Pilot Orice, page 6.
3. Install inlet tting into inlet opening of gas
control valve (see Figure 9). Use thread seal-
ant on male pipe threads.
4. Apply thread sealant to male threads on 1/4"
pipe plug and install into top of manifold block
assembly (see Figure 10).
5. Thread the gas supply tting to replace gas
supply pipe (see Figure 10). Adjust to most
convenient position.
6. Install the gas ex line to gas supply tting.
Carefully shape tube to attach to adapter t-
ting.
7. Place burner pan assembly in center of
replace oor. Make sure front of pan faces
forward.
8. Test for leaks following instructions in your
hearth kit owner’s manual under the section
Testing Burner for Leaks.
9. Retighten and adjust location of gas control
as necessary. The gas control should be level,
with control rod to front.
Manifold
Block
Gas
Control
Valve
Burner
Pan
Figure 7 - Installing Gas Control Valve
Control
Rod
Figure 8 - Gas Control Valve with
Thermocouple and Pilot
Thermocouple
and Line
Pilot and
Line
Gas Control
Valve
Pilot Flow
Adjustment
Screw
Figure 9 - Installing Inlet Fitting and Gas
Connector Tube
Gas Control Valve
Gas
Inlet
Fitting
Gas
Connector
Tube
Inlet
Opening
10. Place valve cover over control valve stem
with two slots lined up to mounting holes
on burner pan (see Figure 11, page 6).
11. Mount pilot and piezo ignitor electrode to
pilot bracket as shown in Figure 11, page
6. Align all mounting holes and tighten as-
sembly with two #8-1/4" screws.
12. Slide pilot/bracket assembly into position
between rear burner tube and grate stand.
Align mounting holes with slots on valve
cover. Tighten bracket assembly using two
#10 x 3/8" screws provided.
13. Install piezo ignitor onto valve cover as
shown in Figure 11, page 6.
14. Push control rod extension onto "D" shaped
control rod through center hole in cover.
15. Install position decal and control knob
making sure to align marks with correct
stop positions of gas control. Pilot position
will allow knob to push in about 1/2". Align
decals in pilot position.
Figure 10 - Connecting Gas to Appliance
Gas
Supply
Fitting
Flex Gas
Line
Pipe
Plug
Manifold Block Assembly
Burner Pan Assembly
(FacingFrontofFireplace)
Close
Pipe
Nipple
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901264-01F6
INSTALLATION
Continued
Figure 11 - Installing Cover, Control
Knob, and Piezo Ignitor
To convert to propane/LP gas, the burner inlet tting
and pilot orice must be replaced.
1. Remove burner inlet tting from front burner
mainifold (installed in burner pan). See Figure
12.
2. Make sure ports on front burner manifold are
facing front (open side) of burner pan. Ret if
needed.
3. Replace front burner orice with provided ori-
ce. See chart in Figure 1 pn page 2 and Figure
13. Using thread sealant (resistant to action of
propane/LP gas) on larger end of tting, screw
burner inlet tting through hole and into burner
manifold. Tighten using 7/8" wrench.
4. Apply thread sealant compound to 3/8" male
threads of burner inlet tting. Thread manifold
block (see Figure 12) onto burner inlet tting.
Use bottom hole of block.
5. Apply thread sealant to 1/8" brass pipe nipple
and thread into manifold block (see Figure 12).
Tighten with a 7/16" wrench.
Figure 13 - Burner Inlet Fittings with
Injectors
INLET
Injector for
Propane/LP
Gas
Figure 12 - Kit Assembly
The pilot is provided with a natural gas orice
installed. For propane/LP gas you must remove
it and replace it with an propane/LP orice. The
hardware kit contains an propane/LP orice with
a red stripe for converting the pilot.
6. Slip air restrictor over 1/8" pipe nipple. Apply
thread sealant to male threads and install rear
burner orice provided with GA9053A (see chart
in Figure 1 on page 2) onto tting. Tighten with a
9/16" wrench.
7. Place grate assembly over burner pan. Install rear
burner bracket onto grate with 2 black Phillips
head #10 screws provided. Do not tighten at this
time (see Figure 14).
8. Install "U" burner from left side with open end in
front (see Figure 14). Hold rear of burner hiigher
than bracket. Slide burner over air restrictor tting.
Lower rear of burner into slots on burner bracket.
Install burner clip and tighten nuts and screws.
Piezo
Ignitor
Control Knob
Pilot Bracket
Screw
Pilot
Thermocouple
Piezo Ignitor
Electrode
Control Knob
Extension
Valve Cover
Front
Burner
Burner Inlet
Fitting
Manifold
Block
Pipe Nipple
Air Restrictor
Rear Burner
Nozzle
Figure 14 - Installing Burner
Burner
Bracket
Grate
Burner
Clip
Burner
Pan
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901264-01F 7
Figure 15 - Installing Propane/LP Pilot
Orice
O
F
F
P
I
L
O
T
O
N
Pilot Injector
INSTALLATION
Continued
1. Gently loosen and remove pilot line connec-
tion from bracket (see Figure 15).
2. Replace orice (see Figure 13) with propane/
LP pilot orice with red stripe.
3. Replace and tighten the pilot line to bracket.
4. Continue with step 3 under Natural Gas Instal-
lation, page 5.
Pilot Flow
Adjustment
Screw
Figure 16 - Pilot Flow Adjustment Screw
OPERATING APPLIANCE
1. STOP! Read the safety information, in
the owner's manual included with your
hearth kit.
2. Make sure equipment shutoff valve is
fully open.
3. Press in and turn control knob clockwise
to the OFF position.
4. Waitve(5)minutestoclearoutanygas.
Thensmellforgasaroundlogsetandnear
oor.Ifyousmellgas,STOP!SeeSafety in-
formation and Air For Combustion And Ven-
tilation, in your hearth kit owner’s manual.
Ifyoudon’tsmellgas,gotothenextstep.
5. Turncontrolknobcounterclockwise
tothe PILOTpositionandpressin.Keep
controlknobpressedinforve(5)seconds.
Note:Youmayberunningthislogsetfor
thersttimeafterhookinguptogassup-
ply.Ifso,thecontrolknobmayneedtobe
pressed in for 30 seconds or more. This will
allowairtobleedfromthegassystem.
6. With control knob pressed in, push down
andreleaseignitorbutton.Thiswilllight
pilot. The pilot is attached to the rear of
thefrontburner.Ifneeded,keeppressing
ignitorbuttonuntilpilotlights.
Note:If pilotdoes not staylit, contacta
qualiedservicepersonorgassupplierfor
repairs.Untilrepairsaremade,lightpilot
with match.
7. Keepcontrolknobpressedinfor30seconds
afterlightingpilot.After30seconds,release
control knob.
Note: If pilot goes out, repeat steps 3
through7.
•If control knob does not pop up when
released,contactaqualiedserviceperson
orgassupplierforrepairs.
8. Turn control knob counterclockwise
tothe ON position.Burner shouldlight.If
burnerdoesnotlight,callaqualiedservice
person.
Ignitor
Control Knob
Pilot
FROM "PILOT" POSITION
SLIGHT PUSH TO
TURN OFF
PULL PUSH
TO LIGHT
ON
ON
FROM "PILOT" POSITION
SLIGHT PUSH TO
TURN OFF
PULL PUSH
TO LIGHT
FROM "PILOT" POSITION
SLIGHT PUSH TO
TURN OFF
PULL PUSH
TO LIGHT
ON OFF
On
Off
OFF
OFF
Figure 17 - Ignitor and Control Knob
Pilot
Thermocouple
Figure 18 - Thermocouple and Pilot
TO APPLIANCE
1. Turn control knob clockwise to the
PILOTposition.
2. Press in and turn control clockwise
to the OFF position.
Turn control knob clockwise to the
PILOTposition.
Note: Follow the Troubleshooting section
in the owner’s manual included with your
hearth kit.
LIMITED WARRANTY
GA9053A SERIES MANUAL ON/OFF SAFETY VALVE/PILOT KIT
DESA warrants this product to be free from defects for one (1) year from the date of rst purchase, provided that
the product has been properly installed, operated and maintained in accordance with all applicable instructions.
To make a claim under this warranty the Bill of Sale or cancelled check must be presented.
This warranty is extended only to the original retail purchaser. This warranty covers the cost of part(s) required to
restore this log set to proper operating condition and an allowance for labor when provided by a DESA Authorized
Service Center. Warranty part(s) MUST be obtained through authorized dealers of this product and/or DESA who
will provide original factory replacement parts. Failure to use original factory replacement parts voids this war-
ranty. The log set MUST be installed by a qualied installer in accordance with all local codes and instructions
furnished with the unit.
This warranty does not apply to parts that are not in original condition because of normal wear and tear, or parts
that fail or become damaged as a result of misuse, accidents, lack of proper maintenance or defects caused by
improper installation. Travel, diagnostic cost, labor, transportation and any and all such other costs related to
repairing a defective log set will be the responsibility of the owner.
TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE
OF THE PRODUCT; THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED
WARRANTIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES, INCLUD-
ING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO ONE
(1) YEAR FROM THE DATE OF FIRST PURCHASE; AND DESA’S LIABILITY IS HEREBY LIMITED TO
THE PURCHASE PRICE OF THE PRODUCT AND DESA INTERNATIONAL SHALL NOT BE LIABLE FOR
ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT, INCIDENTAL OR CONSEQUENTIAL
DAMAGES.
Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of
incidental or consequential damages, so the above limitation on implied warranties, or exclusion or limitation on
damages may not apply to you.
This warranty gives you specic legal rights, and you may also have other rights that vary from state to state.
For information about this warranty write:
2701 Industrial Drive
P.O. Box 90004
Bowling Green, KY 42102-9004
www.desatech.com
WARRANTY INFORMATION
KEEP THIS WARRANTY
Model
Serial No.
Date Purchased
Always specify model and serial numbers when communicating with the factory.
We reserve the right to amend these specications at any time without notice. The only warranty applicable is our
standard written warranty. We make no other warranty, expressed or implied.
901264-01
Rev. F
05/06
NOT A UPC
901264 01
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Desa Tech GA9053A Owner's manual
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