SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL
GAS WATER HEATER SERVICE HANDBOOK
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A
MINIMUM CLEARANCE TO COMBUSTIBLES
Model Number
"A" Right Side
"B" Left Side
"C" Back "D"
Ceiling
SBN-120 thru
200A
2"
2"
2"
12"
SBN-250/A thru
310/A
3"
3"
3"
12"
SBN-366
6"
6"
6"
6"
SBN-390
4"
4"
4"
4"
SBD30-150/199
2”
2”
2”
12”
A, B, and C clearances to non-combustibles is “0” inches - a 12 inch clearance to cover remains
unchanged.
