Cart Product Price Quantity Subtotal × Reversing valve engine VST20 €305.04 Reversing valve engine VST20 quantity €305.04 × Vaillant VR11 sensor €26.04 Vaillant VR11 sensor quantity €26.04 × Transformer 10 pole €97.96 Transformer 10 pole quantity €97.96 × Chain anode Vaillant €212.04 Chain anode Vaillant quantity €212.04 × Honeywell Replacing the engine valve €176.08 Honeywell Replacing the engine valve quantity €176.08 Update cart Cart totals Subtotal €817.16 Shipping By agreement on phone Shipping options will be updated during checkout. Total €817.16 Proceed to checkout