Dosatron 3/4" Inline Accessories – Starter Kit, Guardian Monitor Kit, Mixing Chamber and Snubber
Dosatron 3/4" Inline Accessories – Starter Kit, Guardian Monitor Kit, Mixing Chamber and Snubber
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Brand: Dosatron (France)
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Connection: 3/4" BSP
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Variants: 4 inline accessories
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Filtration: 200 mesh (80 µm)
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Power supply: None, water pressure only
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Important: They do not dose by themselves
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Description
- ⚠️ Important notice: These four accessories DO NOT dispense anything on their own; you also need a Dosatron dosing pump.
- ⚗️ Starter kit: Isolation ball valve, 200 mesh filter (80 µm), pressure gauge, fresh water port, and check valve.
- 🧪 Guardian monitor kit: Allows you to read the EC and pH of the outlet solution. The monitor is not included: it is purchased separately.
- 💧 Mixing chamber: Homogenizes the solution in-line. Especially recommended when working with silicates.
- 🔌 Water hammer arrestor: Absorbs the pressure surge when opening and closing solenoid valves. Everything works without electricity.
3/4" line accessories for your Dosatron pump: remember that the dosing pump is sold separately.
Full description
⚠️ IMPORTANT NOTICE: these four accessories DO NOT dose anything on their own.
They are in-line accessories designed to be installed alongside a Dosatron proportional dosing pump. You also need the pump, which is sold separately. If you don't have it yet, check out our Dosatron proportional dosing pumps.
Original Dosatron in-line accessories from the French manufacturer of hydraulic proportional dosing pumps, based in Tresses since 1974. All of them are mounted in-line with the irrigation circuit and operate using water pressure, with no need for electricity. Connections in 3/4".
Choose the accessory you need from the Type dropdown menu.
Lo-Flo 3/4" Starter Kit (HYKSTART-STD-BSP)
The complete inlet manifold for correctly setting up your dosing system from day one. Includes an isolation ball valve, 200 mesh filter (80 µm), inlet pressure gauge, freshwater port, non-return valve, and the necessary BSP connection accessories.
The filter protects the inside of the pump from particles, the pressure gauge allows you to check the actual operating pressure, the non-return valve prevents backflow into the network, and the freshwater port lets you irrigate with clean water without dismantling anything.
Guardian In-Line 3/4" Monitor Kit (HYKNOMON-BSP)
In-line kit designed to read the EC and pH of the outlet solution, immediately after mixing. It features an integrated mixing chamber, so the reading is taken from an already homogeneous solution and is therefore reliable.
Important: this kit DOES NOT include the monitor. The measuring equipment (probes and EC/pH reader) is purchased separately. What you are acquiring here is the in-line assembly that houses it.
3/4" BSP Mixing Chamber (HYKMC34-BSP)
Improves the in-line homogenization of the nutrient solution, preventing sections with uneven concentrations from reaching the crop. Especially recommended when working with silicates or other products that tend to react if not mixed properly.
If you have already purchased the Guardian In-Line monitor kit, please note that this already includes an integrated mixing chamber, so you probably do not need to purchase this part separately.
3/4" Water Hammer Cushion Kit (Lo-Flo)
Absorbs the excess pressure generated when opening and closing the irrigation solenoid valves. This water hammer is one of the most common causes of fatigue and premature failure in dosing pumps and the installation itself. If your irrigation system operates in zones with solenoid valves, this kit is a highly recommended protective investment.
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Warranty
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How to use
1. Confirm that you already have a Dosatron dosing pump installed or ordered: these accessories are line add-ons and do not dose on their own.
2. Shut off the water supply and depressurize the irrigation line before handling anything.
3. Install the starter kit upstream of the pump, respecting the direction of flow: ball valve, filter, pressure gauge, and check valve.
4. Install the mixing chamber or Guardian monitor kit downstream of the pump, where the solution has already been mixed.
5. Place the surge kit near the solenoid valves to absorb the water hammer from each opening and closing.
6. Open the water slowly, check for leaks, verify the pressure on the gauge, and clean the mesh filter periodically.

Dosatron 3/4" Inline Accessories – Starter Kit, Guardian Monitor Kit, Mixing Chamber and Snubber
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Frequently asked questions
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No. They are in-line add-ons designed to be fitted alongside a Dosatron proportional dosing pump, which is sold separately. Without that pump they do not inject anything by themselves. If you do not have it yet, the pump is what you need first.
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The start kit (HYKSTART-STD-BSP) is the complete inlet head: isolating ball valve, 200 mesh filter (80 microns), inlet pressure gauge, fresh water port, check valve and the BSP fittings you need. The filter protects the inside of the pump, the gauge lets you check the real pressure and the check valve prevents backflow into the mains. The fresh water port lets you water with clean water without dismantling anything.
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No, the kit (HYKNOMON-BSP) does NOT include the monitor: the probes and the EC/pH reader are bought separately. What you get is the in-line assembly that houses them, ready to read the solution right after mixing. It has a built-in mixing chamber, so the reading is taken on an already homogeneous solution and is reliable.
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Probably not: the Guardian In-Line monitor kit already has a built-in mixing chamber. The standalone chamber (HYKMC34-BSP) makes sense when you do not have that kit and want to homogenise the solution better in line. It is recommended above all if you work with silicates or other products that tend to react if they are not mixed properly.
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It absorbs the overpressure generated when the irrigation solenoid valves open and close. That water hammer is one of the most common causes of fatigue and premature failures in dosing pumps and in the installation itself. If your irrigation works by zones with solenoid valves, it is a highly recommended protective investment.
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They do not need an electrical supply: they are fitted in line with the irrigation circuit and work on water pressure. All the connections are 3/4 inch. Remember to pick the accessory you want in the Type drop-down before adding it to the basket.