Continue shopping “Replacement Control Sensor Unit (Battery)” has been added to your cart. Remove item Thumbnail image Product Price Quantity Subtotal Marnic Water Watch - 240V AC Power £129.00 Marnic Water Watch - 240V AC Power quantity £129.00 Replacement Control Sensor Unit (Battery) £90.00 Replacement Control Sensor Unit (Battery) quantity £90.00 Update cart Cart totals Subtotal £219.00 Shipping 2-5 day courier: £15.00 Shipping options will be updated during checkout. Calculate shipping Country / region: Select a country / region… United Kingdom (UK) State / County: City: Postcode / ZIP: Update VAT £46.80 Total £280.80 Proceed to checkout