Dimensions, Recovery Ratings | A.O. Smith BT- 80 specification

ROUGH-IN DIMENSIONS

FIGURE 1.

DIMENSIONS

Model

Units

BT-80

Inches

61 1/8

58 1/2

29 11/16

26 1/2

15 3/16

14 1/2

1 1/4

1/2

11 15/16

Natural & LP

C M

155.25

148.6

75.4

67.3

38.6

10.2

39.4

40.6

3.2

NPT

30.3

BT-100

Inches

68 5/8

66 1/2

30 15/16

27 3/4

15 3/16

15 3/4

1 1/4

1/2

11 15/16

Natural & LP

174.3

168.9

78.59

70.5

38.6

10.2

40.0

40.6

3.2

NPT

30.3

RECOVERY RATINGS

	Input		Approx.	Approx.
Model	Rating	Rating	Gal.	Liter	Temp.	C°	17	22	28	33	39	44	50	56	61	67	72	78
	Btu/Hr	kW	Cap.	Cap.	Rise	F°	30	40	50	60	70	80	90	100	110	120	130	140
BT- 80	75,100	22.0	74	280	GPH		243	182	146	121	104	91	81	73	66	61	56	52
					LPH		916	686	550	456	392	343	305	275	249	230	211	196
BT -100	75,100	22.0	98	371	GPH		243	182	146	121	104	91	81	73	66	61	56	52
					LPH		916	686	550	456	392	343	305	275	249	230	211	196

Recovery ratings based on 80% thermal efficiency.

FOREWORD

The design of models BT-80 and 100 comply with the current edition of ANSI Z21.10.3-CSA 4.3 as automatic storage or automatic circulating tank type water heaters.

Installation diagrams are found in this manual. These diagrams will serve to provide the installer with a reference for the materials and method of piping necessary. It is highly essential that all water and gas piping be installed as shown on the diagrams.

In addition to these instructions, the equipment shall be installed in

accordance with those installation regulations in force in the local area where the installation is to be made. These shall be carefully followed in all cases. Authorities having jurisdiction should be consulted before installations are made.

In the absence of local codes, the installation must comply with the current edition of the National Fuel Gas Code, ANSI Z223.1/NFPA 54 or the Natural Gas and Propane Installation Code CAN/CSA-B149.1. These documents are available from the Canadian Standards Association, 8501 East Pleasant Valley Road, Cleveland, OH 44131.

A.O. Smith BT- 80 warranty Dimensions, Recovery Ratings