Uswitch limited is authorised and regulated by the financial conduct authority (fca) under firm reference number 312850 you can check this on the financial services register by visiting the. Install a new electric water heater to save money and energy our video and step-by-step guide shows you how. Note to the diagrams: in the case of pump operation, a return valve is closed by over-pressure on the pump output; in the case of pump switch-off, the valve is fully opened.)).
Added: 2018-06-15 | Comments: 0 | Category: boilers repairs