What is the maximum length allowed for a hot water draw off pipe pipe from a combination boiler to appliance or tap?

The maximum length allowed for a hot water draw-off pipe from a combination boiler to an appliance or tap typically depends on the specific manufacturer's guidelines and local Plumbing codes. Generally, it is recommended to keep the length under 15 meters (approximately 49 feet) to ensure adequate water temperature and pressure. However, for longer distances, additional considerations such as pipe diameter, insulation, and potential heat loss should be taken into account. Always refer to the boiler's installation manual and local regulations for precise requirements.