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2.2 Pipe Sizing Chart
MAXIMUM RECOMMENDED SYSTEM FLOW RATE BY PIPE SIZE
Pipe Size
in. [mm]
Maximum Flow Rate
GPM [LPM]
Minimum Straight Pipe
Length “L” in. [mm] *
1 ½” [50]
45 [170]
7 ½” [190]
2” [63]
80 [300]
10” [254]
2 ½” [75]
110 [415]
12 ½” [317]
3” [90]
160 [600]
15” [381]
* Note:
It is recommended that a minimum length of straight piping (shown as “L” in above diagram),
equivale nt to 5 pipe size diameters, be used between the pump suction inl et and any plumbing fittings
(elbows, valves, etc.).
When installing the PRIME E-SILENCE VS, care should be taken to ensure proper pipe and
equipment sizing to handle the maximum flow required.
It is recommended to set the maximum flow limit in order to not exceed the maximum flow rate. (See
section 5.1 Pump Limits).
WARNING – Hazardous Pressure.
Pumps, filters, and other equipment/ components of a swimming
pool filtration system operate under pressure. Incorrectly installed and/or improperly tested filtration
equipment and/or components may fail resulting in severe personal injury or death.
2.3 Plumbing
1.
Use Teflon tape to seal threaded connections on molded plastic components. All plastic fittings mus t be new
or thoroughly cleaned before use. NOTE - Do NOT use Plumber’s Pipe Dope as it may cause cracking of the
plastic components. When applying Teflon tape to plastic threads, wrap the entire threaded portion of the m
ale fitting with one to two layers of tape. Wind the tape clockwise as you face the open end of the fitting, b
eginning at the end of the fitting. The pump suction and outlet ports have molded -in thread stops. Do NOT
attempt to force hose connector fitting past this stop. It is only necessary to tighten fittings enough to prevent l
eakage. Tighten fitting by han d and then use a tool to engage fitting an additional 1 ½ turns. Use care when
using Teflon tape as friction is reduced considerably; do NOT over -tighten fitting or you may cause damage.
If leaks occur, remove connector, clean off old Teflon tape, re -wrap with one to two additional layers of Teflon
tape, and re -install connector.
2.
Fittings (elbows, tees, valves, etc.) restrict flow. For better efficiency, use the fewest possible fittings. Avoid
fittings that could cause an air trap. Pool and spa fitting s MUST conform to the International Association of
Plumbing and Mechanical Officials (IAPMO) standards.
