As long as the AQUAvalve is securely and firmly pushed onto the Tee section the AQUAvalve should remain secured to the tray. If there are any problems please email your contact detail to mail@autopot.co.uk Regards AutoPot
Ideally use pot size of 10ltrs or greater, pebbles can be placed in the bottom if required, if the pots are the correct size then our copper discs can be used.