6035 8202 Hot water systems

Which regulation covers hot water installations

• Building Regulations Approved Document G3 2010

• Building Regulation Approved Document A 2010

• Building Regulation Approved Document H 2010

• CIBSE Central Heating Design Guide

What does the building Regulations approved Document L1a/b cover?

• Cold water installations

• The conservation of fuel and power

• Gas installations

• Oil installations

In the Water Supply (Water Fittings) Regulations 1999 which section covers hot water supply?

• Section 6 Schedule 4

• Section 4 Schedule 6

• Section 5 Schedule 7

• Section 8 Schedule 2

What does the Gas Safety (Installation and Use) Regulations 1998 deal with?

• Installation of Hot and Cold water?

• Installation of oil fired appliances

• Installation and maintenance of gas fired appliances

• Installation of solid fuel fired appliances

What are the factors that affect hot water systems?

• Customer needs/occupancy and purpose

• Building layout and features

• Energy efficiency

• Environmental impact

• Electrical requirements

If manufacturers' instructions are unavailable, where can we obtain or source a copy from?

• Manufacturers' website

• Library

• Next door neighbour

• Plumbers merchant

What is the maximum length of dead leg for a 15mm or 22mm pipe before a secondary return system has to be installed?

• 5m

• 8m

• 10m

• 12m

Are combination boilers suitable for large houses with multiple bathrooms?

• Yes

• Yes if we oversize the boiler to give a better flow rate

• Yes if we fit a booster pump to the cold inlet to the boiler

• No, only suitable for smaller properties with one bathroom

What is meant by the term 'centralised systems' ?

• Hot water is delivered by single point units at each appliance.

• Hot water is delivered to a central point from all hot water outlets in the dwelling.

• Hot water is delivered from a central point to all hot water outlets in the dwelling.

• Hot water is supplied by a single point water heater.

What is meant by the term open vented system?

• Hot water is supplied by a combination boiler.

• Hot water is supplied by a multipoint water heater.

• Hot water storage system that is fed by a cold water storage cistern in the roof space and contain a vent pipe that is open to the atmosphere.

• Hot water storage system that is fed by a mains fed unvented cylinder.