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Notice, Warning – Burnham MST396 User Manual

Page 31

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c. Mount the vacuum relief valve into the tee and

fasten with a screw and nut in collar tabs. To

ensure proper operation, the gate must be level

across the pivot point and plumb. Refer to

vacuum relief valve manufacturer's instructions.

5. Install remainder of air intake, securing each joint

with at least three (3) sheet metal screws evenly

spaced.

6. Install air intake terminal. See Figure 17.

NOTICE

Intake terminal must be at least 1 inches above

grade plus snow accumulation.

7. Seal all external joints with weatherproof caulk.

WARNING

Do not locate air intake where petroleum distillates,

CFC's, detergents, volatile vapors or any other

chemicals are present. Severe boiler corrosion

and failure will result.