Part J8 Heated water supply and swimming pool and spa pool plant
Introduction to this Part
This Part contains Deemed-to-Satisfy Provisions for compliance with Part J1. It sets out provisions for ensuring water heaters, swimming pool and spa heaters and pump systems use energy efficiently.
Notes
From 1 May 2023 to 30 September 2023 Section J of NCC 2019 Volume One Amendment 1 may apply instead of Section J of NCC 2022 Volume One. From 1 October 2023 Section J of NCC 2022 Volume One applies.
Notes: New South Wales Section J Energy Efficiency
- For a Class 2 building or a Class 4 part of a building, where a relevant development consent or an application for a complying development certificate requires compliance with a BASIX Single Dwelling or Multi Dwelling Certificate issued under Version 3.0 or earlier, NSW Section J of NCC 2019 Volume One Amendment 1 applies.
- For a Class 2 building or a Class 4 part of a building, where a relevant development consent or an application for a complying development certificate requires compliance with a BASIX Single Dwelling or Multi Dwelling Certificate issued under Version 4.0 or later, Section J of NCC 2022 Volume One applies.
- For a Class 2 building or a Class 4 part of a building, where a relevant development consent or an application for a complying development certificate requires compliance with a BASIX Alterations and Additions Certificate, NSW Section J of NCC 2019 Volume One Amendment 1 applies.
- For a Class 3 building or Class 5 to 9 building:
- From 1 May 2023 to 30 September 2023 NSW Section J of NCC 2019 Volume One Amendment 1 may apply instead of Section J of NCC 2022 Volume One.
- From 1 October 2023 Section J of NCC 2022 Volume One applies.
Notes: Tasmania Section J Energy Efficiency
In Tasmania, for a Class 2 building and Class 4 part of a building, Section J is replaced with Section J of BCA 2019 Amendment 1.
Deemed-to-Satisfy Provisions
J8D1
Deemed-to-Satisfy Provisions
2019: J7.0
- J2D2; and
- J3D2 to J3D15; and
- J4D2 to J4D7; and
- J5D2 to J5D8; and
- J6D2 to J6D13; and
- J7D2 to J7D9; and
- J8D2 to J8D4; and
- J9D2 to J9D5.
NSW J8D1 Deemed-to-Satisfy Provisions2019: J7.0
- NSW J2D2; and
J8D2
Heated water supply
2019: J7.2
A heated water supply system for food preparation and sanitary purposes must be designed and installed in accordance with Part B2 of NCC Volume Three — Plumbing Code of Australia.
J8D3
Swimming pool heating and pumping
2019: J7.3
- a solar heater; or
- a heater using reclaimed heat from another process such as reject heat from a refrigeration plant; or
- a geothermal heater; or
- a gas heater that—
- if rated to consume 500 MJ/hour or less, achieves a minimum gross thermal efficiency of 86%; or
- if rated to consume more than 500 MJ/hour, achieves a minimum gross thermal efficiency of 90%; or
- a heat pump; or
- a combination of (a) to (e).
- a cover with a minimum R-Value of 0.05; and
- a time switch to control the operation of the heater.
Applications
NSW J8D3 does not apply to a Class 2 building and a Class 4 part of a building.
Swimming pool heating and pumping
- a solar heater; or
- a heater using reclaimed heat from another process such as reject heat from a refrigeration plant; or
- a geothermal heater; or
- a gas heater that—
- if rated to consume 500 MJ/hour or less, achieves a minimum gross thermal efficiency of 86%; or
- if rated to consume more than 500 MJ/hour, achieves a minimum gross thermal efficiency of 90%; or
- a heat pump; or
- a combination of (a) to (e).
- a cover with a minimum R-Value of 0.05; and
- a time switch to control the operation of the heater.
J8D4
Spa pool heating and pumping
2019: J7.4
- a solar heater; or
- a heater using reclaimed heat from another process such as reject heat from a refrigeration plant; or
- a geothermal heater; or
- a gas heater that—
- if rated to consume 500 MJ/hour or less, achieves a minimum gross thermal efficiency of 86%; or
- if rated to consume more than 500 MJ/hour, achieves a minimum gross thermal efficiency of 90%; or
- a heat pump; or
- a combination of (a) to (e).
Applications
J8D4 does not apply to a Class 2 building and a Class 4 part of a building.
Spa pool heating and pumping
- a solar heater; or
- a heater using reclaimed heat from another process such as reject heat from a refrigeration plant; or
- a geothermal heater; or
- a gas heater that—
- if rated to consume 500 MJ/hour or less, achieves a minimum gross thermal efficiency of 86%; or
- if rated to consume more than 500 MJ/hour, achieves a minimum gross thermal efficiency of 90%; or
- a heat pump; or
- a combination of (a) to (e).