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NOTES:
* Sizes 150-400 - Dimension E varies with motor selection and belt adjustment.
** Dimensions H and K are the heater suspension points.
Size A B C D E F G H J K L M N P Q R S T
30, 45 26 5/8 12 1/8 13 13/16 10 16 3/8 36 1/8 21 9/16 17 3/8 11/16 22 1/2 6 1/2 9 3/16 5 3/16 2 11/16 2 7/8 3 7/8 6 1/2 31
60 26 5/8 15 1/8 13 13/16 13 17 7/8 36 1/8 21 9/16 17 3/8 11/16 22 1/2 6 1/2 11 7/8 7 7/8 5 1/2 2 7/8 3 7/8 6 1/2 31
75 26 5/8 15 1/8 13 13/16 13 17 7/8 36 1/8 21 9/16 17 3/8 11/16 22 1/2 5 1/2 11 7/8 7 7/8 5 1/2 2 7/8 3 7/8 6 1/2 31
100 26 5/8 23 1/8 13 13/16 21 23 1/4 43 5/8 21 9/16 17 3/8 11/16 22 1/2 8 1/2 18 1/2 14 1/2 8 3/4 2 7/8 3 7/8 6 7/16 31
125 26 5/8 23 1/8 13 13/16 21 23 1/4 43 5/8 21 9/16 17 3/8 11/16 22 1/2 7 1/2 18 1/2 14 1/2 8 3/4 2 7/8 3 7/8 6 7/16 31
150, 175 38 1/8 20 1/8 23 16 30 9/16 60 1/8 35 3/8 25 5/8 1 5/16 24 1/2 3 7/8 13 1/2 8 1/2 5 7/16 4 1/4 6 1/2 8 1/4 42
200 38 1/8 20 1/8 23 16 30 9/16 60 1/8 35 3/8 25 5/8 1 5/16 24 1/2 3 7/8 14 9/16 6 3/8 5 7/16 4 5/16 6 1/2 8 5/16 42
225, 250 38 1/8 26 1/8 23 22 39 5/8 63 7/16 35 3/8 25 5/8 1 5/16 24 1/2 5 7/8 18 1/16 13 1/16 9 4 5/16 6 1/2 8 5/16 42
300, 350, 400 40 7/8 34 1/8 23 30 42 5/8 63 7/16 35 3/8 27 5/8 1 5/16 23 1/2 3 7/8 22 1/16 17 1/16 11 13/16 4 1/2 7 1/4 8 1/2 42
Size A B C D E* F G H** J K** L M N P Q R S T
30, 45 (676) (308) (351) (254) (416) (918) (548) (441) (17) (572) (165) (233) (132) (68) (73) (98) (165) (787)
60 (676) (384) (351) (330) (454) (918) (548) (441) (17) (572) (165) (302) (200) (140) (73) (98) (165) (787)
75 (676) (384) (351) (330) (454) (918) (548) (441) (17) (572) (140) (302) (200) (140) (73) (98) (165) (787)
100 (676) (587) (351) (533) (591) (1,108) (548) (441) (17) (572) (216) (470) (368) (222) (73) (98) (164) (787)
125 (676) (587) (351) (533) (591) (1,108) (548) (441) (17) (572) (191) (470) (368) (222) (73) (98) (164) (787)
150, 175 (968) (511) (584) (406) (776) (1,527) (899) (651) (33) (622) (98) (343) (216) (138) (108) (165) (210) (1,067)
200 (968) (511) (584) (406) (776) (1,527) (899) (651) (33) (622) (98) (370) (162) (138) (110) (165) (211) (1,067)
225, 250 (968) (664) (584) (559) (1,006) (1,611) (899) (651) (33) (622) (149) (459) (332) (229) (110) (165) (211) (1,067)
300, 350, 400 (1,038) (867) (584) (762) (1,083) (1,611) (899) (702) (33) (597) (98) (560) (433) (300) (114) (184) (216) (1,067)
DIMENSIONS
Model UDBP
±1/16" (2mm)
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




Size
Top FlueConnector
AccessPanel
H
Non-Access
Side Bottom
J
Rear
K
inches (mm) inches (mm) inches (mm) inches (mm) inches (mm) inches (mm)
30-125 6 (152) 6 (152) 18 (457) 24 (610) 1 (25) 18 (457)
150-400 14 (356) 6 (152) 18 (457) 24 (610) 1 (25) 18 (457)
CLEARANCES FROM COMBUSTIBLES
H
Access Panel clearance is required for service clearance to controls
J
Suspend the heater so that the bottom is a minimum of 5’ (1.5M) above the oor.
K
Rear clearance is measured from the back of the blower.
Form RZ-C-UH (Version H) Page 16
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