Our Piggyback Butterfly Valves connect right up to our Cable or Electric operated Butterfly Valves and allow the user to control airflow through more than one vent at a time. Two, three or more can be connected in series. These Piggyback Valves cannot be operated on their own, you must use either an Cable or Electrically operated Butterfly Valve sold seperately.
With the addition of an extra air connector fitted to the opposite side of the valve, you are then free to use these as inline butterfly valves which can be spliced and installed into existing ductwork (extra air connectors sold separately). For a more compact installation, these units can be bolted onto your HVAC enclosure.
| Specification | Metric | Imperial & Other |
| To Fit Air Hose | Ø 55 mm | Ø 2.17" |
| Operation | Fully Open or Closed | |
| Material | PP GF30 (Polypropylene with 30% Glass Fibre) | |
| Kit Part Number | 0A7-487-7C0 | |
| Quantity | Item | Part Number |
| 1x | Piggyback Air Valve Module | EEF-E2E-8AD |
| 1x | Ø 55 mm Hose Connector | B31-0CF-532 |
Please see our other listings for Cable & Electrically Operated Butterfly Valves and additional Air Connectors.




