Catalogue > Heating - Air & Water > Alde Central Heating Systems If you find an identical Victron product advertised at a lower price than ours, we will match it. Our general UK mainland carriage charge is £12.50, but this may vary on items such as Batteries etc. Delivery is often next working day, but may be 3-4 working days. All prices shown exclude VAT which will be added at the checkout phase N68 Alde 2928 central heating unit for narrow-boats Alde 2928 central heating unit for narrow-boats - balanced flue model with heavy duty circulation pump. Supplied installation kit. HEAT OUTPUT - 5.4Kw (Propane) 6.2Kw (Butane) VOLTAGE - 12V DC INPUT CURRENT - 0.2A DIMENSIONS - (H x W x D) - 1710 x 132 x 220mm Manufacturers Suggested Selling Price £893.00  Our Price :  £740.64 / €962.83  N71/8 ALDE - gas leak detector (4071-905) ALDE - gas leak detector (4071-905) (Supplied with 8mm compression fittings)  Our Price :  £30.64 / €39.83  N72/4 ALDE - overheat sensor (2920-230) The table below shows which parts are compatible with invidual stoves: ALDE - thermocouple (2920-245)  Our Price :  £21.23 / €27.60  N72/10 ALDE - indicator (2930-117)   Our Price :  £21.23 / €27.60  N72/12 ALDE - pilot burner (2923-201)   Our Price :  £18.60 / €24.18  N72/16 ALDE - ignition transformer (2923-225)   Our Price :  £46.51 / €60.46  N72/18 ALDE - ignition electrode (2923-207)   Our Price :  £5.45 / €7.09  N72/20 ALDE - H.T. lead (2923-208)   Our Price :  £8.69 / €11.30  N72/24 ALDE - impeller kit (2900-350)   Our Price :  £9.18 / €11.93  N72/22 ALDE - heavy duty motor (2928-412)   Our Price :  £63.69 / €82.80