Burnham Indirect - Fired Water Heater AL SL - Manual (Page 13)

3
FIGURE 3 - Coil Detail & Tightening Sequence
Bolt
Steel Washer
Coil Plate
Plastic O-Ring
Housing
Tank
Flange
‘L’ Nut
Small
outside
O-ring
Large
inside
O-ring
Proper Tightening Sequence for Top Mount Coil
CAUTION: Does not require excessive force to seal properly.
3



4
7

5
3


Incorrect Correct
Note: Same as car tire lugs