1 In the Format Cells dialog box, click Color, and then click the White square. 2  Click OK in the Format Cells dialog box, and then click OK in the Conditional Formatting dialog box. 3  Note Because you selected column A in step 2, all the cells in column A were formatted with this conditional format. In the Format Cells dialog box, click Color, and then click the White square. 2  Click OK in the Format Cells dialog box, and then click OK in the Conditional Formatting dialog box. 3  Note Because you selected column A in step 2, all the cells in column A were formatted with this conditional format.
With maintainance a boiler should last 15 years. A combo boiler is used more than any other boiler because of constant demand.A heat exchanger replacement you have to consider age and shape of unit.ith maintainance a boiler should last 15 years. A combo boiler is used more than any other boiler because of constant demand.
1 Thermosave.co.uk with average costs of electricity per kW hour explains that boilers running costs for 210 litre Thermaflow electric combi boiler will cost Â£ 2025. 2  It is dependent on total of 13500kW at the 15 pence every kW.f they require moving and it requires extra plumbing as well as fresh wiring, it will cost more money to you. Those who want a top range boiler for nearly Â£ 2000, it will cost them another Â£ 2000. Average cost of electric Combi boiler is approximately Â£ 1500 for 9kW model.