Determine boiler location, Installation & operation manual – Lochinvar Sync Condensing Boiler 1 User Manual
Page 8

Installation & Operation Manual
8
6" (152 40 MM)
24" (610 MM)
REAR
0"
LEFT
OPEN FRONT
13" (330 MM)
TOP
0"
RIGHT
1/4” (6 MM) MINIMUM CLEARANCE
AROUND HOT WATER PIPES 
1” (25 MM) MINIMUM CLEARANCE
AROUND VENT PIPES
Figure 1-2 Alcove Installation - Minimum Required Clearances
6" (152 MM)
FRONT
4" (330 MM)
TOP
0"
LEFT
0"
RIGHT
24" (610 MM)
REAR
6" (152 MM)
VENTILATING*
AIR OPENING
VENTILATING*
AIR OPENING 
CLOSED DOOR
*AREA OF EACH OPENING:
1 SQ. INCH PER 1000 BTU PER HOUR INPUT
WITH A MINIMUM OF 100 SQ. INCHES
1/4” (6 MM) MINIMUM CLEARANCE
AROUND HOT WATER PIPES 
1” (25 MM) MINIMUM CLEARANCE
AROUND VENT PIPES
Figure 1-1 Closet Installation - Minimum Required Clearances
ƽ WARNING
RECOMMENDED SERVICE 
CLEARANCES:
Front
- 30" (762 mm)
Top
- 24" (610 mm)
Left Side - 24" (610 mm)
Rear - 24" (610 mm)
1
Determine boiler location
RECOMMENDED SERVICE 
CLEARANCES:
Front
- 30" (762 mm)
Top
- 24" (610 mm)
Left Side - 24" (610 mm)
Rear - 24" (610 mm)
ƽ WARNING
For closet installations, CPVC, 
polypropylene or stainless steel 
vent material MUST BE used in 
a closet structure due to elevated 
temperatures. Failure to follow 
this warning could result in fire, 
personal injury, or death.
For alcove installations, CPVC, 
polypropylene or stainless steel 
vent material MUST BE used 
in an alcove structure due to 
elevated temperatures. Failure to 
follow this warning could result 
in fire, personal injury, or death.
