fitting a tadpole

Any reputable plumber is capable of fitting a Tadpole in approximately 2 hours, by following these simple instructions. If you have any questions please visit our Frequently Asked Questions page or call our helpline on 0845 072 2996. If you are a plumber that would like to become an approved installer, please email or call us today.

Tadpole Fitting Instructions

  1. Tadpole must be installed within the
    PRIMARY FLOW of a heating system.
    Upstream of the circulation pump and any
    "S" or "Y" plan. If there are any doubts, the installer should contact Tag on a Tadpole services on 0845 072 2996.
  2. Drain the system. It is advisable at this stage, to power flush the system but simple draining will suffice.
  3. Connect the primary flow from boiler to point (A).
  4. Connect the outgoing primary flow to the pump at point (B).
  5. Connect the supplied automatic air vent to point (C) at the top of the unit.
  6. Re-commission the heating system following the boiler manufacturer’s instructions.
  7. Leave the filling loop connected for at least 2 days. As Tadpole releases air from the system, there will be some drop in water level which the filing loop will replace.

After Installation

  1. Once the system has been checked for leaks and re-commissioned, heat up time should be shorter and the heating system should get much hotter from the same boiler setting. It may be advisable to reduce the setting of the main boiler thermostat.
  2. Once the system has reached set point and has been running for about 20 minutes, it may be noted that the circulation pump will be running more quietly. This is due to the reduction of dissolved air in the system.
  3. Tap water, which is the original source of the primary circuit, contains roughly 2.5% of dissolved air. In heating systems some of this air is driven out simply through a rise in temperature, but not all.This is why corrosion inhibitors need to be added, to protect the radiators from corrosion.Tadpole reduces the risk of system corrosion and therefore reduces the need to add inhibitors.
  4. We advise leaving the filling loop connected as when all the air is driven out of the system water volume reduces by approximately 2.5 litres. Leaving the filling loop connected for a couple of days will ensure that the system is 100% full and working at maximum efficiency.
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