T-10, T-15, T-25 series (4) This family of valves has been designed to meet the multiple requirements of the TANK TOP HEATERS and PATIO HEATERS. They are push-button valves with thermoelectric interlocks, certified for the international market (CE, CSA, BRITISH STANDARD, etc.) Max. pressure for NG at 20 mbar: T-10: 8 kW (30,000 Btu/h) T-15: 12 kW (40,000 Btu/h) T-25: 25 kW (85,000 Btu/h) Usage temperature: 0-80ºC Max. pressure: 2.5 bars. These valves have been designed to be used with 1 or 2 outlets. The valve inlet and outlet connections are suitable for any type of coupling. The button is suitable for any design. Application Patio heater.