Watts TVA Series User manual

Installation Instructions:
1.Check that the valve is suitable for the application.
2. Valve must be tted by a qualied plumber.
3. Installation must comply with local authority requirements.
4. Valve may be installed in any orientation.
5. Flush pipes prior to tting.
6. Connections are H (hot inlet), C (cold inlet) and OUT (mixed temperature outlet).
7. Do NOT apply heat near valve during installation – this may damage the
mechanism.
8. Do NOT install valve directly into outlet of cylinder.
9. At the end of the installation, check thoroughly that it is installed correctly.
10. Adjust temperature by removing cap. Use screwdriver to adjust to desired
temperature.To increase, turn anti-clockwise (H). To decrease, turn clockwise
(C). Replace cap. Maximum delivered hot water temperature at any sanitary
xture used for personal hygiene shall not exceed 50°C.
11. Maintenance is to be carried out to AS 4032.3
12. Commissioning: All valves must be commissioned and the discharge water
temperature set and veried with a thermometer.Valves not installed in
accordance to these instructions may result in unsafe performance.
13. Refer to diagram on other side for installation
Tempering Valve TVA
Distributed by: Hydroow Distributors (Aust) Pty Ltd
Unit 1 No 11 Salmon Street, Port
Melbourne, Victoria 3207
AS4032.2
LIC. WMKA 26118

Notes:
1. Expansion Valve andTemperature Pressure Relief Valve drain line diameter must
be no smaller than the nominal size of the valve outlet.
2. Drain line length must be in accordance with this table:
Maximum Relief Drain
Length (m)
Maximum Numbers of
Changes in Direction (greater
than 45°)
9 3
8 4
7 5
6 6
3. Drain line must discharge into a tundish when the distance to the nal point of
discharge is greater than 9 m.
4. Drain Line must be of copper piping
5. If Expansion Valve andTemperature Pressure Relief Valve drain lines are to be
combined then refer to AS/NZ 3500.4:2015 Clause 5.11.3. Only one of each type to
be combined.