Orifice Chart - A.O. Smith BTP-125-140 Replacement Parts List Manual

POWER BURNER MODEL G-2SD
Item Description
1 Clamp, Electrode .................................................................. 5861
2 Control, Primary .................................................................... 5855
3 Electrode Assembly, Flame Proving ..................................... 5859
4 Electrode Assembly, Ignition ................................................ 5860
5 Flange, Mounting .................................................................. 5865
6 Gasket, Flange/Housing ........................................................ 5863
7 Gasket,MountingFlange ........................................................ 5866
8 Head Assembly (Includes Items 1, 3,4) ................................. 5858
9 HousingAssembly ................................................................. 5885
10 Motor, Blower ........................................................................ 5850
11 Orifice .................................................................................... (SEE CHART)
11A Orifice, Auxiliary .................................................................... 5870
11B Orifice,CapandO-RingKit ....................................................... 5873-1
12 Plate, Escutcheon ................................................................. 5897
12A Plate,MotorMounting ............................................................. 5852
13 Relay ..................................................................................... 5888
14 Retainer, Air Tube ................................................................. 5864
15 Timer ..................................................................................... 5891
16 Transformer 25V .................................................................... 5889
17 Transformer,lgnition ............................................................... 5890
18 Tube, Blast. .......................................................................... 5862
19 Valve,Gas ............................................................................. 5880
20 Wheel, Blower. ...................................................................... 5851
21 Wire,FlameProvingConnecting .............................................. 5879
Standard hardware items may be purchased locally.
Burner
Models Number
BTP 125-140 G-2SD
BTP 125-199 G-2SD

ORIFICE CHART

Natural
Gas Orifice
Part No (Decimal)
5867-281 .281
5867-323 .323
3
Part
Number
Propane
Gas Orifice
Part No (Decimal)
5867-221 .221
567-257 .257