User Manual
29
6-189.14
DIMENSIONAL DATA - MODEL BTP
j Listed is the hole diameter and threads per inch to 
accept threaded rod.
k This is an approximate dimension for standard motors, 
allow 3" for sheave and optional motors.
Table 29.1 - Dimensions (inches) — BTP
Figure 29.1 - Dimensional Drawings - Model BTP
POWER VENTER
VENT PIPE 
CONNECTION
ACCESS PANEL
GAS 
CONNECTION
ELECTRICAL
CONNECTION
ADJUSTABLE
LOUVERS
MOTOR CORD
STRAIN RELIEF
T-STAT CONNECTION
FILTER RACK
(OPTIONAL)
BLOWER ENCLOSURE
(OPTIONAL)
6 MOUNTING
HOLES
G
 D OPENING
 A
 F
 H
 B
 L
 K
 C
 M (APPROX.)
 Q (MIN DIST TO WALL)
 E
OPENING
 O x P
4.88
20.53
 4 7/8"
 J
 I
 R
 S
 V
 W
 X
 T
 U
7/8"
 N
Models BTP150 BTP175 BTP200 BTP250 BTP300 BTP350 BTP400
A 35.53 42.53 42.53 42.53 42.53 42.53 42.53
B 23.06 25.81 25.81 31.31 31.31 39.56 39.56
C 22.05 22.05 22.05 22.05 22.05 22.05 22.05
D 22.52 29.52 29.52 29.52 29.52 29.52 29.52
E 21.18 23.93 23.93 29.43 29.43 32.17 32.17
F 15.33 16.70 16.70 19.45 19.45 23.58 23.58
G (Mounting Hole) j
3/8-16 3/8-16 3/8-16 3/8-16 3/8-16 3/8-16 3/8-16
H 8.37 8.37 8.37 8.37 8.37 8.37 8.37
I  4.50 4.50 4.50 4.50 4.50 4.50 4.50
J 8.09 9.47 9.47 6.72 6.72 10.84 10.84
K 3.87 3.87 3.87 5.20 5.20 5.20 5.20
L 12.17 13.55 13.55 12.66 12.66 16.78 16.78
M k
52.25 52.19 52.19 58.88 58.88 58.88 58.88
N 33.18 33.90 33.90 39.88 39.88 39.88 39.88
O 23.90 24.13 24.13 27.04 27.04 28.57 28.57
P 24.77 24.52 24.52 27.19 27.19 28.28 28.28
Q (w/Blower Encl & Filter Rack) 72.04 73.70 73.70 79.68 79.68 79.68 79.68
Q (w/o Blower Encl & Filter Rack) 64.24 64.19 64.19 70.88 70.88 70.88 70.88
R 3.56 3.56 3.56 3.56 3.56 3.56 3.56
S 14.90 14.90 14.90 14.90 14.90 14.90 14.90
T 10.00 10.00 10.00 10.00 10.00 10.00 10.00
U 13.54 20.53 20.53 20.53 20.53 20.53 20.53
V 14.52 14.52 14.52 18.04 18.04 18.00 18.00
W 3.27 7.15 7.15 4.77 4.77 5.24 5.24
X 17.38 17.38 17.38 20.38 20.38 20.38 20.38
Gas Connection 1/2 1/2 1/2 3/4 3/4 3/4 3/4
Vent Connector Size 4" 4" 4" 6" 6" 6" 6"
Blower 12-12 12-12 12-12 15-15 15-15 15-15 15-15
Approx. Shipping Weight (lbs.) 220 275 280 340 345 395 405
Table 29.2 - Clearances to Combustible Materials
Unit Side
  Clearance To  Recommended
    Combustible Materials  Service Clearance
  Top and Bottom 6"  6"
  Access Side 6"  18"
  Non-Access Side 6"  6"
  Rear 18"  18"
  Vent Connector 6"  6"










