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Contact us
Questions about the Vaillant cooling resistor, your order, delivery or a return? Get in touch and we will help.
Seller
Promagen Ltd
Registered in England & Wales, company number 17089097
71-75 Shelton Street, Covent Garden, London, WC2H 9JQ, United Kingdom
Also sold on eBay since 2003 (seller boarder895) with 100% positive feedback.
Before you email
You may find a faster answer in our cooling upgrade guides, which cover what the cooling resistor is, which heat pumps need one, how cooling is activated, and the two Vaillant part numbers.
If you are emailing about an existing order, please quote your order reference (shown on your confirmation page and Stripe receipt) so we can find it quickly. We aim to reply to all messages within two working days.
Orders, delivery and returns
For how delivery works and what it costs, see Delivery & tracking. To return an item, see Returns & refunds. Orders are dispatched from the UK within 1–2 working days of payment.