AVG 15mm Tempering Valve c/w Insulation — TVA15C-LF (yellow cap)
Suitable for storage hot water systems.
Yellow cap is the standard valve. For solar you need the orange cap high performance version, TVA15CHP-LF.
Also known as
TVA15C-LF is the current code. It was previously sold as TVA15C-I — same valve, renamed when AVG moved the range to lead free. Australia's lead free plumbing requirement came into force on 1 May 2026.
Features
- Maximum hot water supply temperature 85°C
- Accurate control: ± 3°C from set temperature, to AS4032.2
- Fast response to pressure fluctuations
- Forged DR bronze body
- Advanced polymer components for greater resistance to calcium deposits
- Integral 60 mesh stainless steel line strainers
- Integral non return valves and stainless steel springs
- O-ring seal inlet union connectors complete with nuts and olives
- Tamper proof adjustment, with the adjusting tool moulded into the valve cap
- Seasonal adjustments not required
- Factory set at 50°C — must be commissioned onsite by the installer
- WaterMark Certification, Licence No. 20137
Specifications
| Model | DN Size | A | B | C | D |
|---|---|---|---|---|---|
| TVA15C-LF | 15mm | 144 | 58 | 113 | 67 |
- Cold water supply temperature: 5°C – 25°C
- Hot water supply temperature: 65°C – 85°C
- Adjustable outlet temperature: 40°C – 50°C
- Factory set temperature: 50°C
- Accuracy of outlet temperature: ±3°C, tested to AS4032.2
- Minimum temperature differential between hot supply and outlet: 15°C
- Supply pressure, static: 1400 kPa max
- Supply pressure, dynamic: 500 kPa max
- Pressure supply imbalance, dynamic, at commissioning: 2:1 max
- Max permitted pressure variation in either supply to hold ±3°C: ±10%
- Minimum flow rate: 4 litres/min