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water boiler
Prepare boiler location
Provide minimum clearances
From combustible materials (see Figure 1)
1. Hot water pipes
• All directions — ½ inch.
(not shown in Figure 1)
. Double-wall vent pipe
• All directions — 6 inches.
. Single-wall vent pipe.
• All directions — 18 inches.
4. Boiler jacket surfaces
• Top of Control Pod cover — 1 inches.
• Sides and back — inches.
. Burner cover
• All directions — inches.
Combustible clearances always take pre-
cedence over service clearances.
For service access (see Figure 1)
If you do not provide the minimum
service clearances shown, it might not
be possible to service the boiler without
removing it from the space.
1. Recommended service clearances:
• Front of burner cover — 0 inches
• Jacket top — 4 inches
• Jacket sides and back — 6 inches
• Burner door swing clearance — 1 inches minimum
(door must swing fully open)
Part number 550-141-986/1005
— Boiler Manual
Figure 1
Minimum clearances to combustible surfaces and
7
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