Forced Venturi Kit

Forced Venturi Kit
AXIALL LLC
Forced Venturi Installation Kit SKU 9500154
Table of Contents
Kit Contents
Installation Schematic
Electrical Box Schematic
Preparing the Venturi
Installation Instructions
Start-Up Instructions
System Sketch
Revised 11-28-2016
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Kit Contents:
Mazzei 1587 Venturi
2 ea 1½” Female Adapters
1 ea ¾” Female Adapter
1 ea ¾” pipe x 1½” long
1 ea ¾” Sanking® Ball Check Valve
10 feet of ¾” PVC Hose
1 ea 1½” Tee
1 ea 1½”x ¾” Soc x Soc Bushing
1 ea 1½” Gate Valve
1 ea 1 HP Hayward pump
1 ea Electrical Box w/ Cords
Kit is shipped in 2 boxes; one box for the pump and one box for the other parts.
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Power Supply Cord
and Plug
GRD
Controller Cord
and Plug
Electrical Box Schematic
N 110v
A1
Wire
Nut
Wire
Nut
A2
Pump Contactor
Electrical Box
Pump
Prepare the Venturi for Installation
All Venturi installation kits are equipped with a Mazzei Injector (Venturi). As detailed below,
this contains miscellaneous parts that should be discarded to ensure proper installation.
The Mazzei Injector is shipped with the following parts:
 Mazzei Injector
 ¾” Nozzle
 Check Valve Assembly (rubber gasket, ball and spring)
Prior to installation, remove and discard the ¾” Nozzle and the factory Check Valve Assembly as
indicated in the picture below.
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Forced Venturi Installation
When to use this Installation
1. With a chemical controller
2. Where direct injection of chlorine is preferred
Additional Parts Required
 [2] 1½” Ball Valves for isolation
 1½” or larger flexible tubing or PVC pipe
 Miscellaneous fittings (depends on the size of pipe/hose used)
 Miscellaneous Screws to mount the relay box
Installation Instructions
1. Place the chlorination system in a convenient location near the application point
2. Level the system. This is important for proper chlorine delivery
3. Place the venturi booster pump on the floor near the chlorinator
4. Place the Relay Box on the wall near the chemical Controller (if available) and a 120V
electrical outlet; DO NOT plug cords into electrical outlets until start-up;
5. Install the 1½” booster pump supply line off the pool return line by the following steps:
a. Install a Saddle Clamp or Plumb a Pipe Tee or Drill & Tap for a 1½” line into the pool
return line (preferably after the filter and heater if available)
b. Using appropriate fittings, install an inlet isolation valve (ball valve) on the booster
pump supply line
c. Use 1½” PVC Pipe or Hose to connect to the inlet (front) of the booster pump
6. Install the 1 ½” booster pump discharge line by the following steps:
a. Using 1½” PVC Pipe or Hose, connect the outlet (top) of the booster pump to the
1½” Gate Valve
b. Use 1½” PVC Pipe or Hose to connect the 1½” Gate Valve to the 1½” Pipe Tee to split
the booster pump discharge into two lines: 1)Chlorinator Feed 2)Venturi Feed
7. Install chlorinator inlet assembly to the inlet of the chlorinator following the instructions in
the chlorinator Installation Manual.
8. Prepare 1½” Venturi and ¾” Check Valve for Installation by the following steps:
a. Refer to “Preparing a Venturi for Installation”.
b. Cement the ¾” pipe x 1½” long to the Female Adapter.
c. Cement the other end of the ¾” pipe into the DISCHARGE side of the check valve.
Take great care to use the proper end of the check valve.
d. Thread the ¾” Female Adapter onto the ¾”suction port of the Mazzei Eductor.
e. Thread both 1½” Female Adapters onto the inlet and outlet ports on the 1½” Venturi
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9. Install 1 ½” Venturi Loop by the following steps:
a. Install a Saddle Clamp or Plumb a Pipe Tee or Drill & Tap for a 1½” line into the pool
return line downstream of the booster pump supply line
b. Using appropriate fittings, install an outlet isolation valve (ball valve)
c. Using 1½” PVC Pipe or Hose, connect the outlet isolation valve to the female adapter
located on the outlet port of the 1½” Venturi
d. Using 1½” PVC Pipe or Hose, connect the female adapter located on the inlet port of
the 1½” Venturi to the 1½” Pipe Tee
10. Install the Chlorinator Outlet Line and Connect it to the Venturi by the following steps:
Some of these parts are contained with the Chlorinator and there are 2 different
chlorinators.
a. Thread a ¾” x ½” Reducing Nipple into the chlorinator outlet bulk head fitting
(VersaChlor). Cement the 1” x ½” Bushing into the chlorinator outlet (Accu-Tab)
b. Thread on the ½” nipple and ½” Gate Valve.
c. Thread a ¾” x ½” Reducing Male Adapter into the ½” gate valve
d. Using the ¾” PVC hose, connect the Reducing Male Adapter (threaded into gate
valve) to the ball check valve.
Start Up Instructions
1. Completely open the ½” Gate Valve on the Chlorinator Outlet and completely open the 1½”
Gate Valve near the booster pump
2. Open both of the isolation valves
3. Plug the booster pump electrical cord into the relay box female pigtail labeled “Pump”
4. Plug the relay box cord labeled “120 Volt” into a 120V electrical outlet
5. Set the 1½” Booster Pump Gate Valve by the following:
a. Initially, Plug the relay box cord labeled “Controller” into any 120V electrical outlet
to turn on the pump and to allow the Venturi to ‘pull’ solution out of the chlorinator
b. Slowly close the 1½” Gate Valve until the chlorinator inlet flow meter reads just
below 5 gpm
6. If using a controller to manage chlorine residual, unplug the cord labeled “Controller” from
a 120V electrical outlet (from step 5a above) and plug it into the chemical controller
7. If NOT using a controller to manage chlorine residual, adjust the chlorine control valve (½ ”
gate valve on chlorinator outlet) to the desired setting
a. Check available chlorine regularly to determine the best setting
8. Refill the chlorinator with the appropriate tablets as needed to maintain chlorine level.
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Check valve
must be vertical
¾” Female
Adapter**
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