A.O. Smith BTP-400-2500, BTP-300-300, BTP-200-1500, BTP-400-600, BTP-600-2500 manual Orifice Chart

POWER BURNER MODELS J-15A-10 AND J-30A-12

		Part
Item	Description	Number
1	Amplifier
	Flame Rod Pilot, Green Amp	5701
2	Blower Housing, Cabinet & Damper Assembly	....... 5721
3	Arm Crank	5754
3A	*Arm, Damper	5723
	Arm, Locking
4A	Tapped Fixed Air	5724
4B	Adjustable Air	5724-1
5	Axle, Damper	5725
	Blade, Damper
6	Upper	5726
6A	Lower	5726-2
7	*Cross Link	5727
8	Glass, Sight	5729
9	Grounding Bar	5730
10	Light, Signal
	Amber	5728
	White	5728-1
11	Plate, Motor (Not Included In Assembly)
	J15/A 5722
	J30/A 5722-1
12	Switch.Control	5732
13	TerminaI Strip	5731
14	Transformer, Ignition	5734
14A	Weight, Damper	5726-3
15	Wheel, Blower (Not Included in Assembly)
	J15/A	5733
	J30/A	5733-1
16	Cable, Flame Rod (Consisting Of):
	Cable, #14-19 GTO 15,000	5710
	#10 Stud Ring.. ........................................................... 5711
17	Cable, Ignition
	Cable, #14-19 GTO 15,000	5710
	#2 Rajah Ring Terminal	5713
	CT-Rajah Cage Terminal	5714
18	Cock, Gas
	J15/A	5719
	J30/A	5719-1
19	Cock, Pilot	5720
20	Control, Less Amplifiers	5978

		Part
Item	Description	Number
21	Hood Assembly	5735
22	Latch & Knob, Door	5736
23	Motor, Blower
	J15/A1/4HP	5705
	J30/A1/3H.P	5705-1
24	Orifice, Side (Main Burner)	(SEE CHART)
25	Plate, Pilot Back	5743
26	Pilot Assembly
	Propane	5706
	Natural	5706-1
28	Flame Rod With Porcelain	5744
30	Ignition, Electrode	5746
31	Insulator, Porcelain (Only for Flame Rod)	5745
32	Orifice, Pilot
	Natural	5709
	Propane	5709-1
33	Tubing, Aluminum Pilot	5748
34	Regulator, Gas Pressure (Natural and Propane).
	J15/A	5741
	J30/A	5741-1
35	Regulator, Pilot	5742
37	Spring, Side Orifice	5751
38	Sub-Base	5703
39	Switch, Air	5752
40	Tee, Side Orilice	5750
41	Timer Control	5704
43	Tube, Blast Assembly	5715
44	Diffuser (Includes Stainless Steel
	Mounting Screws)	5716
45	Flange, Boiler	5717
47	* Valve, Auxiliary Solenoid Gas
	J15/A	5737
	J30/A	5737-1
48	Valve, Bleed (For Diaphragm Gas Valve)	5738
49	Valve, Diaphragm Gas :
	J15/A	5739-5
	J30/A	5739-4
50	Valve, Pilot	5740
51 Standard hardware items may be purchased locally
*Not	illustrated

ORIFICE CHART

			Natural		Propane
	Burner		Gas Orifice		Gas Orifice
Models	Number	Part No	(Decimal)	Part No	(Decimal)
BTP 125-270
BTP 200-300	J15A-10	5707-250	.250	5707-136	136
BTP 300-300
BTP 125-400	J15A-10	5707-312	.312	5707-152	152
BTP 125-540
BTP 200-600	J15A-10	5707-406	.406	5707-180	180
BTP 300-600
BTP 400-600
BTP 125-720	J30A-12	5707-500	.500	5707-205	205
BTP 600-720
BTP 200-800
BTP 300-800	J30A-12	5707-500	.500	5707-221	221
BTP 400-800
BTP 200-1000
BTP 300-1000	J30A-12	5707-625	.625	5707-257	257
BTP 400-1000
BTP 600-1000
BTP 200-1250
BTP 300-1250	J30A-12	5707-875	.875	5707-313	313
BTP 400-1250
BTP 600-1250

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