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Date: December 20, 1999 No. 137 Rev. 2Subject: Gas Water Heater Conversion PolicyTo: All Accounts* This supersede all previous letters and field bulletins concerning residential and commercial water heater conversion.
GAS WATER HEATER CONVERSION POLICY
All A.D. Smith Water Products Company's residential and commercial gas water heaters are designed certified by CSA or UL,under ANSI Standards for operation on one type of gas only, as indicated on the water heater's model number and ratingplate.
A.O. Smith realizes that there may be certain situations where a field conversion may be necessary and in order to facilitatesuch a conversion, A. O. Smith complies with CSA or UL regulations ensuring that a field conversion be appropriately andsafely completed.
An improper field conversion from one type of gas to another could cause potentially dangerous conditions that may cause anexplosion or fire resulting in property damage, bodily injury or both.
A.O. SMITH WILL ONLY ALLOW THE CONVERSION OF GAS WATER HEATERS FROM LP GAS (PROPANE) TONATURAL GAS. THE CONVERSION OF A GAS WATER HEATER FROM NATURAL GAS TO LP GAS (PROPANE) ISNOT ALLOWED UNDER ANY CIRCUMSTANCES.
A.D. Smith will provide kits as demand warrants through our Parts Department, phone no.1-800-433-2545. Prices, dimensions and specifications are subject to change without notice
Each conversion kit is to be installed by an A.D. Smith service agent or a gas utility serviceman in accordance withA.D. Smith's written instructions and all codes and requirements of the authority having jurisdiction. Failure to followinstructions could result in serious injury or property damage. The utility performing this work assumes responsibility forthis conversion.
Chanaina the InDut on Gas Water Heaters
The only changes to the input of a gas water heater allowed are:
Adjustments to match that shown on the rating plate of the heater. The installation instructions supplied with theheater indicate if adjustments to input are a required procedure.
Changes made as required to adjust the heater for proper operation at high altitude as determined by a qualifiedservice technician. Service manuals include the proper procedure for adjusting heaters at high altitudes.
Conversion of Gas Water Heaters
The conversion of LP gas (Propane) to Natural gas is ONLY allowed providing
The conversion is done as part of a gas utility's program where propane appliances were installed anticipating thecompletion of natural gas service to the area. The conversion must be done under the direct supervision of theutility and by their service representatives.
Claims of damage or injury arising from the unauthorized conversion of any A.a. Smith water heater not design certified forconversion will be the complete and total responsibility of the person or entity making the conversion.
If you have any questions regarding the above policy, please contact the A.D. Smith Parts Department at 1-800-433-2545 orour Technical Information Center at 1-800-527-1953.
A.D. SMITH WATER PRODUCTS CO., INC.5621 w. 115TH STREET. ALSIP, ILLINOIS 60803
PHONE: 1-800-433-2545FAX: 1-800-433-2515. www.hotwater.com
Printed in the U.S.A. 2574 04/00 No. 137 Rev. 2
PSD-1-280
&c @Jc ~~DvGiJ. WATER PRODUCTS
COMPANY RESIDENTIAL WATER HEATER PARTS LIST
MODELS FGR-30, 40, 50, 75, 100SERIES: 224/225
24 T&P VALVE EXTENDERFOR USE WITH PART NO 23740-1
(FGR-75 & 100 MODELS)
"'A~Y
I "A" DIMENSION
PART NO 42931 3 1/4"PART NO 42931-1 2"\r; j 1 5
3 I [J
2--4, ~
Part No. 23740-1II 150 Ibs. pressureII 3/4" x 3/4"
U 2100 temp. reliel
Type: Temperalure& Pressure
17
,..1
-~),,</
'~4--::::-
' "
'") .~\ ..,--'~'-- ..
'..;...~::~';;;:-'= -
26
./
~
a<j.i;.fI' ON FGR.30. 40 & 50 SMR Rgo MODELS ONLY
FLAMESPREADER'
PART NO181101
~
~ 12/"
28",r/ :?/t~K
I "~~~~~:..~'\.'~ )~~~~
MAIN BURNER ---~PART NO. IBI--1 -"'
~
"'[.:.;>
~DIRT LEG ~
Part No.181206Supplied on ...;
Propane GasModels Only
'
14
./13
A.O. SMITH WATER PRODUCTS CO., INC.5621 W. 115TH STREET. ALSIP, ILLINOIS 60803
PHONE: 1-800-433-2545 . FAX: 1-800-433-2515 . WWW.HOTWATER.COM September 1996PRINTED IN U.S.A.
RELIEF VALVE75 & 100 MODELS
~~29'-'-I
FGR-30224/225
43817-42
18158918136034894
181480-4181780180940
180940-1
181508-31181791-50
~181482-2181796-2
2333020172-14
FGR-40224/225
43817-38
FGR-50224/225
43817-42
18158918136034894
181480-8181780-2180940
180940-1
181508-31181791-50
~181482-5181796-5
2333020172-14
FGR-75224/225
180618-42
10089-1
FGR-100224/225
180618-50
160698-1
Item1
DescriptionAnode ... BAFFLE
Flue Baffle Hanger, Flue Baffle Restrictor, Flue Baffle BURNER ASSEMBLY, MAIN - Natural BURNER ASSEMBLY. MAIN - Propane Burner. Main - Natural Burner, Main - Propane Burner. Pilot - Natural Burner. Pilot - Propane Orifice, Main - Natural Orifice. Main - Propane Thermocouple Tube. Main Burner - Natural Tube. Main Burner - Propane Tube. Pilot Collar. Pipe DOOR
Outer Inner ... ... ... ... Draft Hood HEAT TRAP ("T" Models)
Inlet ... ... Outlet. LABEL
.Flammable Warning .Lighting & Operating .Scald Warning "Temperature "Manual. Instruction "Insert Sheet Nipple. Extension Nipple. Pipe Thermostat - Natural Thermostat - Propane Tube. Inlet Valve. Drain Valve, Relief SMA S44
Anode Heat Trap. Inlet Nipple. ... ... ... ... Sleeve. 0.84" Dia. Anode Tube, Inlet SMA H43
Heat Trap. Inlet Nipple.. T'lh" Inl,,'
2345
18158918136034894
181480-33181780-12
180940180940-1
34505180653-4
18178641157-141157
~160228-129366-23
181778-37
~190200-1181785
2333020172-6
34505180653-5181786-141157-241157-1
~160228-129366-19
181778-37
~190200-2
18178523330
20172-6
6
7
181508-31181791-50
~181482-10181796-10
2333020172-14
8
910
1112
180522180596181082
180522180596181082
180522180596181082
181068-35181235
181139182553181138182734182581181638
180193-4181775-321067-3742037-243151-2
29109-42181295-35
182380
39112-13992339072
39112-13992339072
131415
1617
181068-35181235
181139182553181138182734182581181638
180193-4181775-321067-3742037-243151-2
29109-42181295-35
182380
181068-35181235
181139182553181138182734182581181638
180193-4181775-321067-3742037-243151-2
29109-38181295-35
182380
181139182554181138182734182581
43231-143879m.3..6.
181775-441072-29
2627343151-2
29109-42
86979-5182380
41Q~1-?Q
181139182554181138182734182581
43231-141319
~~181775-440542-30
2627343151-2
29109-50
92706-3182380
41q~?-~n
18
19
20
21
22
23
24
25
26
27
28
29
1
18
28
33
181295-35 181295-35 181295-351828~~
86979-541~1?-?Q
92706-341~14-4n
181125-42181480-13180940-2
181508-3318180918255238469-41811011RnR?Q
181125-38181480-35180940-2
181508-3~18180"18255238469-41811011RnR?Q
181125-42181480-15180940-2
181508-3318180918255238469-41811011~n~'Q
1567
242528
~
Anode BURNER ASSEMBLY, MAIN - Natural Burner Head Assembly Orifice, Main - Natural Manual. Earthquake Instruction Insert Sheet Nipple.. ... ... ... Nox Flame Spreader Assembly - Natural WinnN,II
181125-38181480-34181508-32
181809182552~R4~A-4
161125-42161460-12161506-32
161609162552~R4"Q-4
181125-42181480-10181508-32
181809182552
~R4F;Q-4
1572425?R
182552
Anode.. ... ... ... BURNER ASSEMBLY. MAIN - Natural.
Orifice, Main - Natural Manual. Earthquake Instruction Insert Sheet Ninni..
182552
1 Anode , 43816-42 43816-38 43816-42 29109-42 29109-50SMA K32
1 Anode 43816-42 43816-38 43816-42 29109-42 29109-505 BURNER ASSEMBLY, MAIN - Natural 181480-10 181480-34 181480-12 180653-8 180653-97 Orifice, Main - Natural 181508-32 181508-32 181508-32 29366-26 29366-2111 Tube, Main Burner-Natural 181482-2 181482-10 181482-5 190200-5 190200-6
High Altitude Assembly 182573 182573 182573 182573 182573SMA S29 -
1 Anode 43816-42 43816-38 43816-42 Ninni" 38469-10 38469-10 38469-10
NOTE: Underlined parts are recommended stock items for emergency replacement. Consider gas used in your area only. Not illustrated.
Recommended