Thermann Gas 21R

Compact and efficient, Thermann’s latest range of Continuous Flow units are an excellent option for New Zealand homes. Thermann gas continuous flow water heaters heat the water only as needed, not wasting energy by keeping water in a tank hot, earning it a 6 star energy rating.

• 6 star energy rating
• Providing New Zealand homes with superior technology straight from Noritz, Japan’s leading manufacturer of household water heaters
• Never run out of hot water
• Made in Japan
• Electronic ignition means no standby pilot light

Installation Options:

Califont to califont replacement

• Test existing gas installation is sound
• Disconnect and remove existing unit
• Supply and hang new unit
• alter existing pipework to suit new unit
• Installation of new isolation valves
• Test and commission installation
• Gas cert
• Remove all associated rubbish from site

Existing Cylinder to Gas Continuous Flow LPG

• Drain,disconnect and remove existing low pressure storage cylinder
• Remove existing pipework and valves
• Supply and hang new Continuous flow unit on external wall
• Installation of limiting and line strainer valve on main water line in or under new hot water unit
• Run hot and cold pipework from new unit and connect to existing pipework
• Supply and installation of adjustable LPG auto changeover regulator and external copper piping and valves
• Run new gas pipework from regulator to hot water unit
• Electrical work to new external RCD power point
• Electrical safety cert
• Test and commission installation
• Gas cert
• Remove all associated rubbish from site

Existing Cylinder to Gas Continuous Flow Natural Gas

• Drain,disconnect and remove existing low pressure storage cylinder
• Remove existing pipework and valves
• Supply and hang new Continuous flow unit on external wall
• Installation of limiting and line strainer valve on main water line in or under new hot water unit
• Run hot and cold pipework from new unit and connect to existing pipework
• Installation of gas pipework from meter position to new hot water unit
• Connect gas pipework to meter and hot water unit
• Electrical work to new external RCD power point
• Electrical safety cert
• Test and commission installation
• Gas cert
• Remove all associated rubbish from site

• Read more about the product here.
• For warranty information, please visit our warranty policy page.
• Use our online chat facility to ask any questions!
• * Auckland, Hamilton, Wellington, Christchurch, Dunedin, Tauranga, Mt Maunganui, New Plymouth, Whanganui, Palmerston North, Lower Hutt, Invercargill, Napier, Nelson, Queenstown, Wanaka.