
Venturi massage jets kit - 6 jets - concrete
Includes all the parts needed for the completion of the second part of your massage circuit.
Simply and easily build your massage spa with our ready-to-install concrete spa kits from Boospa.
The venturi massage jets kit - 6 jets - concrete is a simple kit designed for concrete spas with a structure not exceeding 15cm.
However, it is possible to create a lost formwork for the installation of the jets and exceed the maximum indicated thickness.
Here is a photo showing the installation through lost formwork:
The parts are made of high-quality ABS designed to be perfectly sealed in concrete.
The venturi circuit allows control of the jet power
Control the power of the hydro massage jets in your concrete spa
It is possible to control the power of the hydro massage jets' output.
Control the power of the jets by venturi
What is a venturi valve? It is simply a valve that allows more or less air to enter by turning it. It will create an air intake and form a vacuum at the hydro massage jet to accelerate the flow rate. To explain this acceleration phenomenon, we can take the example of an overturned water bottle. A picture is worth a thousand words.


Therefore, hydro massage nozzles must have 2 entries: one for water inlet, the second for venturi air inlet. It is necessary to create an additional circuit originating from the venturi valve that will be sealed in your concrete spa.
Composition of the massage jet kit:
Some guidelines to follow:
- The jet farthest from the pump cannot be more than 5 meters away from it
- The venturi valves must be located near the hydro jets they control. Max: 3 meters
- We recommend balancing the circuit well. In our case, the pump flow is divided into two to supply 2 x 3 jets
- Be careful to connect the air and water circuits to the correct connections on the hydro jets
- Make sure to use the 2 - 4 jets or 4 - 8 jets suction kits
- Piece number 1: Tee 50mm
- Piece number 2: Plug 50mm
- Piece number 3: Hydro jets
- Allows the mixing of Air / Water. The connection of the water circuit and the venturi air circuit is made through these parts
- Quantity: 6
- Piece number 4: Wall fittings
- Piece number 5: Directional massage nozzles
- Piece number 6: Reducing Tees 50mm X 32mm
- Piece number 7: Directional venturi air regulation valve
- Allows control of the amount of air injected into the hydro jets, modifying the massage power of the jets
- Quantity: 2
- Piping: 50mm Hose + 32mm Hose + Blue PVC pressure glue
- Connects all the parts together.
- Quantity: 7 meters (50mm) + 7 meters (32mm) + 1 pot of 250mL blue glue
This is a basic jet kit, it is possible to adapt the parts on request so that the kit can meet specific needs.