An automatic air vent designed for the pump section of Vaillant's COMBIcompact VCW (conventional flue), EcoMAX VU (condensing), EcoMAX VUW (condensing), Pump, THERMOcompact VU (fan-assisted), TURBOmax VUW (fan-assisted), VC-VCW (conventional flue), aquaPLUS VUI (fan-assisted), COMBIcompact VCW (fan-assisted), ecoTEC VU (condensing), THERMOcompact VC (conventional flue), THERMOcompact VC (fan-assisted), VC-VCW (balanced flue) and THERMOcompact VC-VCW (balanced flue) boilers. A central heating safety device, the air vent releases built up air. As water flows through the system, a float opens or closes the vent depending on the water level. When the system is full the float is pushed to the top, closing the vent until the water level drops.
Delivery is free on all orders. We deliver all around the UK using DHL and Parcelforce. Standard delivery will take 1-5 working days to reach you. However, once the order is received, we will contact you to give you a more precise timescale. Usually, we will deliver the next day, subject to the date and time of when the order is received and the product.
Orders placed during the weekend will be processed the following Monday for delivery the following day. In the case of Bank Holidays, your order will be processed the next working day and delivered the following working day.
Remote areas: For orders to some addresses, especially in the Highlands of Scotland and Offshore, next day delivery options are not available, and delivery can take several days. Saturday delivery is unavailable for these areas.