Marquis MQRB4436N Installation Instructions Manual page 90

Two snorkel terminations are available for MQRB4436 / MQRB5143 If a vertical rise is necessary on the exterior side of a
building:
Z57ST24 (24" Tall, 14-1/2" Center to Center)
Follow standard horizontal venting installation procedures.
window well is recommended with adequate and proper drainage as per local
prevent water from entering the Snorkel Termination. Do not enclose the Snorkel within a wall or other type of enclosure
and . Ensure that grade level slopes away from the building.
Maintain All Clearances,
including proper rise and run.
· A safety cage (Z57STSC) is also available.
Place safety cage over snorkel and mount with [4] DT screws (supplied with safety cage).
Z57ST36 (36" Tall, 26-1/2" Center to Center)
If the Snorkel Termination is to be located below grade, a
Ensure adequate drainage.
-
codes. Leave 2" clearance below snorkel
Follow all local codes.
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