Grease Guardian GGX15/110VAC, Installation Operation & Maintenance, Page: 8 / 29

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USA. Flow Control with Air Intake. For those installations requiring Plumbing Drainage
Institute of America compliance, a certified flow control (with air intake) must replace the inlet
ventilation Tee. The relevant control required from www.canplas.com is listed:
GGX7, part reference: Canplas 3922107A
GGX15, part reference: Canplas 3922115A
GGX20, part reference: Canplas 3922120A
GGX25, part reference: Canplas 3922125A
GGX35, part reference: Canplas 3933135A
(The air intake riser of the flow control is to be connected to the inlet side ventilation pipe as
described in point (2) )
Wastewater pipework. WARNING To avoid reduced flow or backflows issues, the site outlet
pipework
must be connected as detailed below for all GGX systems.
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pipe diameter must be minimally of 2 inch diametre (50mm)
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pipe must be installed at a gravity fall of 1:10 minimally, but preferably 1:40.
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pipe must contain no more than 2 x 90 degree pipe bends between Grease Guardian outlet
and final waste point in floor.
Outlet vent pipe. Required to:
a/ prevent sewer back odours entering Grease Guardian
b/ to prevent any siphonage of the system under peak flows. The pipework should be termi-
nated at final stack vent.
Final vent stack to atmosphere. Failure to connect ventilation points of Grease Guardian to
the final stack can result in odour issues internally.
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PLUMBING EXAMPLE 2. REAR VIEW.
DEMONSTRATES FURTHER ROUTING OPTIONS FOR
INSTALLING GREASE GUARDIAN “X”
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Plumbing and Mechanical Installation