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State Industries Utra-Force STC-077 User Manual

Page 8

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S U F S E R V I C E H A N D B O O K

I N S T A L L A T I O N

State Water Heaters

Technical Training Department

Ashland City, Tennessee © 2004

7

STC-077

VENTING CLEARANCES

This illustrates the exterior clearances for these SUF units when installed as direct vent heaters.

N O T E :

24 inches between inlet and outlet is a MINIMUM. Greater distance is recommended.

In colder climates increasing the 24” minimum to a maximum practical distance will reduce the
possibility of frost over from side winds blowing exhaust vapors into the air intake.

SUF MODEL 150 – 199

SUF MODEL 240