What is the minimum size of an open-vented pipe from a direct hot water storage system?

The expanded water from an indirect open-vented hot water system should travel through which pipe to the feed and expansion cistern?

What is the minimum recommended distance that the base to the feed and expansion cistern should project past the edges of the cistern itself?

In comparison to the standard indirect cylinder,a super-duty indirect hot water storage cylinder features a

A multipoint instantaneous water heater is most suited to provide hot water to

The hot water outlet from a multipoint water heater serving a small domestic property is usually sized at

In addition to a control thermostat,a new immersion heater must include which of the following?

A shower mixer valve that operates based on the head of water available between the shower head and base of the storage cistern is know as a

The water regulations state that uninsulated hot water pipework must not be embedded in

which one of the following types of valves is suitable for use on the cold feed pipe from a storage cistern to a hot water storage cylinder

The water flow rate from the outlets in a hot water system can be measured using which one of the following

An uninsulated 22mm hot water pipe(dead leg) from a hot water cylinder should be no longer than

The inlet supply to a feed and expansion cistern is controlled by a

The cold feed pipe connection to a hot water storage cylinder is made

Which type of fitting must not be used on hot water pipe-work?

Which British Standard details the installation requirements for hot water systems?