Clearances - UTICA BOILERS MAHF-75 Installation, Operation And Maintenance Manual

4 .3 Clea ra nces
NOTE: Great er clearances for access should supersede
fire protection clearances.
Se r vice Cle a r a n ce s
Left Side View of Boiler
Com bu st ible Cle a r a n ce s
1 3/4 in
[45 mm
0 in / 0 m m between Back of Unit and wall 0 in / 0 m m between Back of Unit and wall
4 - LOCATI N G BOI LER
TABLE 1 : BOI LER CLEARAN CES
D im e n sion
Left Side
Right Side
Front
Back
Bot t om
Com bustion Air/ Vent piping
(1)
Required dist ances m easured from boiler j acket .
(2)
Service, proper operat ion clearance recom m endat ion.
* Allowance for piping and vent ing not included.
75 ,100, 115,
125, & 150
165 & 205
13 9/16 in
23 ½ in
[345 mm]
[597 mm]
13.58 in /
345.00 mm
40 1/4 1/4 in
[1.02 m]
Minimum Clearance Minimum Clearance
17 3/4 in. [450 mm ] 17 3/4 in. [450 mm ]
From Front of Boiler From Front of Boiler
Back Back
0 in
[0 mm]
Top View Top View
Top View
1 3/4 in
[45 mm]
]
0 in
[0 mm]
Closet Installation
Com bu st ible
M a t e r ia ls (1)
Top
0" ( 0 cm )
1- 3/ 4" ( 45 m m )
1- 3/ 4" ( 45 m m )
0" ( 0 m m )
0" ( 0 m m )
0" ( 0 m m )
0" ( 0 m m )
12 in in 12
[305 mm] [305 mm]
3/4 in
1
[45 mm]
1 6
M a nufa ct urer
Recom m ended for
Service (1)(2)
8- 5/ 8" ( 220 m m )
12" ( 305 m m )
1- 3/ 4" ( 45 m m )
17- 3/ 4" ( 450 m m )
0" ( 0 m m )
0" ( 0 m m )
6" ( 160 m m )
Front View of Boiler
8 5/8 in [220 mm]
17 3/4 in
[450 mm]
0
in
[0 mm]
17 3/4 in
[450 mm]
0
in
[0 mm]
Front View of Boiler
240013503 REV A, [ 03/ 15/ 2022]
1 3/4 3/4 in in
1
[45 mm] [45 mm]
3/4 in
1
[45 mm]