Part B2 Heated water services
NSW B2D2 Water heater in a heated water supply system
This clause been deliberately left blank
Compliance is not required with the national provisions of B2D2 as the sources of energy for new Class 1 and 10 buildings are regulated under BASIX.
NSW B2D5 Maximum delivery temperature2019: NSW B2.5(a)(iv)
Delete clause B2D5 and insert NSW B2D5 as follows:
The delivery temperature of heated water at the outlet of each sanitary fixture must be—
- not more than 45°C in any—
- residential part of an aged care building; or
- patient care area in a health-care building; or
- part of an early childhood centre, or primary or secondary school, that is used by children; or
- any facility designated for use by people with a disability; or
- not more than 50°C in all other cases.
Applications
B2D5 applies to all heated water installations for personal hygiene purposes.
NSW B2D6 Temperature control devices2019: NSW B2.6(2)(d), Application 1 and Exemption 1
Delete clause B2D6 and insert NSW B2D6 as follows:
- thermostatic mixing valve; or
- thermostatically controlled tap.
- thermostatic mixing valve; or
- thermostatically controlled tap; or
- tempering valve; or
- temperature limited water heater with a maximum delivery temperature of 50°C marked in accordance with AS 3498.
Applications
B2D6 only applies to—
- all new heated water services; or
- replacing a hot water heater, regardless of the type or location of the heater.
Exemptions
A temperature control device need not be installed if one or more, but not all, heating units in a manifold water heater are replaced.