How to use the Just Dose it. Dosing Funnel
Just Dose it central heating dosing tool. can be used to add Inhibitors/Sludge Remover/Anti-Freeze etc., to a sealed or open vent Central Heating System, via any radiator with ½ vent and plug.
Step 1
Turn off both of the radiator valves clockwise with a spanner, Loosen one of the radiator valve union joints, use a bowl to collect the water you are draining off, drain off approx 1- 2 litres into the bowl underneath and re-tighten the radiator valve union.
Step 2
Using a spanner unscrew the ½" plug at the top of the radiator, there is no need to unscrew the bleed vent side.
Step 3
Screw the JustDoseit! unique swivel joint directly into the plug ½" BSP tapping at the top of the radiator, (normally) this only needs to be tightened by hand but a spanner can be used if required. Just Dose It, does need to be tightened as far as possible by hand though.
Step 4
You can now add the desired chemical to your Central Heating System; the Just Dose it! funnel can be rotated into a position which will enable you to add your chemicals easily.
Tip: The chemicals will flow more quickly if you open the 1/2" bleed vent on the over side whilst adding your chemicals, do not forget to screw this back up once you are done.
Step 5
Once you have added your chemicals unscrew the unique Just Dose it! from the radiator, replace the ½" BSP plug, turn both radiator valves on and vent the radiator to get the air out.
You can also follow the steps in this video:
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