A.O. Smith BTN 120 THRU 400/A Series warranty Rough-In-Dimensions, Front View, Back View

ROUGH-IN-DIMENSIONS

TOP

OUTLET

1 1/2” NPT

F

TOP INLET

1 1/2” NPT

						FRONT VIEW																									TOP VIEW											BACK VIEW
TABLE 1. ROUGH-IN-DIMENSIONS
Model		BTN-120					BTN-154						BTN-180							BTN-199						BTN-200							BTN-250				BTN-275			BTN-310				BTN-366								BTN-400
Dim.		Inches		mm			Inches		mm				Inches			mm			Inches				mm			Inches				mm		Inches			mm		Inches	mm		Inches		mm		Inches			mm			Inches			mm
A		63		1800			68		1727				72			1829				72			1829			72			1829				72		1829		72	1829		73		1854		73			1854				73		1854
B		4 1/4		108			4 1/2		114				4 1/2			114			4 1/2					114		4 1/2			114			4 1/2			114		4 1/2	114		4 1/2		114		4 1/2			114			4 1/2			114
C		59 1/2		1511			62		1575				70			1778				70			1778			70			1778				70		1778		70	1778		72		1829		72			1829				72		1829
D		50 7/8		1292			53 5/8		1362				61 5/8			1565			61 5/8				1565			61 5/8			1565			61 5/8			1565		61 5/8	1565		62 1/2		1588		62 1/2			1588			62 1/2			1588
E		19 11/16		500			20 1/2		521				20 1/2			521			20 1/2					521		20 1/2			521			20 1/2			521		20 1/2	521		20 1/2		521		22 1/2			572			22 1/2			572
F		19		483			21		533				21			533				21				533		21			533				21		533		21	533		21		533		21			533				21		533
G		1/2NPT					1/2NPT						1/2NPT						1/2NPT							1/2NPT						1/2NPT					1/2NPT			1/2NPT				1/2NPT								1/2NPT
(gas inlet)
H		51 7/8		1318			54 5/8		1387				61			1549				61			1549			61				1549			61		1549		61	1549		63		1600		63			1600				63		1600
I		5		127			6		152				6			152				6				152		6				152			6		152		6	152		6		152		6			152				6		152
(vent dia)
J		27 3/4		705			27 3/4		705				27 3/4			705			27 3/4					705		27 3/4				705		27 3/4			705		27 3/4	705		27 3/4		705		27 3/4			705			27 3/4			705
K		1 1/2NPT					1 1/2NPT						2NPT								2NPT						2NPT							2NPT			2NPT			1 1/2NPT				1 1/2NPT								1 1/2NPT
L		1 1/2NPT					1 1/2NPT						2NPT								2NPT						2NPT							2 NPT			2NPT			2 NPT				1 1/2NPT								1 1/2NPT
Appox.
Shipping		400		181			470		213				603			274			603					274		603				274			603		274		603	274		725		329		725			329			725			329
Weight		lbs.		K.g			lbs.		K.g				lbs.			K.g			lbs.					K.g		lbs.				K.g			lbs.		K.g		lbs.	K.g		lbs.		K.g		lbs.			K.g			lbs.			K.g
STD.
Approx.
Shipping		-		-			-		-				-				-			-				-		686				311			686		311		686	211		833		378		833			378			833			378
Weight																										lbs.				Kg.			lbs.		Kg.		lbs.	Kg.		lbs.		Kg.		lbs.			Kg.			lbs.			Kg.
ASME
TABLE 2. RECOVERY CAPACITIES, based on 80% efficiency
							TANK				APPROX																	U.S Gallons/Hr. and Litres/Hr at TEMPERATURE RISE INDICATED
					CAPACITY							EFF.			F°			36F°			40F°				50F°		54F°				60F°			70F°		72F°	80F°	90F°		100F°	108F°		110F°		120F°			126F°				130F°		140F°
Model	Btuh		KW		U.S.Gal.			Litres					%		C°			20C°			22C°				28C°		30C°				33C°			39C°		40C°	44C°	50C°		56C°	60C°		61C°			67C°		70C°				72C°		78C°
BTN-120	120,000					71							80	GPH				320			288				239		213				192			164		160	144	128	115		107		105			96			91			89		82
			35					269						LPH				1210			1089				871		807				726			622		605	545	484	436		403		396			363			346			335		311
BTN-154	154,000					81							80	GPH				410			369				295		274				246			211		205	185	184	148		137		134			123			117			114		106
			45					307						LPH				1553			1398				1118		1036				932			79		777	699	621	559		518		508			466			444			430		399
BTN-180	180,000					100							80	GPH				480			432				345		320				288			247		240	218	192	173		160		157			144			137			133		123
			53					307						LPH				1815			1634				1307		1210				1089			934		908	817	726	654		805		594			545			519			503		487
BTN-199	199,000					100							80	GPH				530			477				382		353				318			273		265	239	212	191		177		174			159			151			147		136
			58					307						LPH				2007			1806				1445		1338				1204			1032		1004	903	803	723		669		657			602			573			556		516
BTN-200	199,000					100							80	GPH				530			477				382		353				318			273		265	239	212	191		177		174			159			151			147		136
			58					379						LPH				2007			1806				1445		1338				1204			1032		1004	903	803	723		669		657			602			573			556		516
BTN-250	250,000					100							80	GPH				866			600				480		444				400			343		333	300	266	240		222		218			200			190			184		171
			73					379						LPH				2522			2269				1815		1881				1513			1297		1261	1135	1009	908		841		825			756			720			698		648
BTN-275	275,000					100							80	GPH				733			659				528		488				440			377		366	330	293	264		244		240			220			209			203		188
			81					379						LPH				2774			2496				1997		1849				1664			1426		1387	1248	1109	999		925		908			832			792			768		713
BTN-310	310,000					85							80	GPH				826			743				595		551				496			425		413	372	330	297		275		270			248			236			229		212
			91					322						LPH				3127			2814				2251		2084				1876			1808		1563	1407	1251	1126		1042		1023			938			893			866		804
BTN-366	366,000					85							80	GPH				975			878				702		650				585			502		488	439	390	351		325		319			293			279			270		251
			107					322						LPH				3692			3322				2658		2461				2215			1898		1846	1661	1477	1329		1231		1208			1107		1055				1022		949
BTN-400	390,000					85							80	GPH				1039			935				748		693				624			534		520	468	416	374		346		340			312			297			288		267
			114					322						LPH				3934			3540				2832		2622				2360			2023		1967	1770	1573	1416		1311		1287			1180			1124			1089		1011
TABLE 3. GASAND ELECTRICAL CHARACTERISTICS
Model										Manifold Pressure																					Volts/Hz					Amperes
				Type of Gas							Inches vs. W.C.											kPa
BTN 120-400					Natrual								3.5							0.87											120/60						< 5

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