The Rinnai K309 Natural Gas Energysaver Heater is a premium heating solution designed to provide exceptional warmth and efficiency for your home. With an impressive 4.8-star energy efficiency rating, this heater ensures you stay cosy while reducing energy costs. The electric thermostat allows for precise temperature control, and the innovative Pre Heat Mode warms your space before you arrive, ensuring comfort at all times. Equipped with dual digital timers, you can easily schedule heating periods to match your daily routine, enhancing convenience. The K309 prioritises safety with a child lock feature, making it a family-friendly choice. Additionally, the inbuilt humidifier tray promotes superior indoor air quality by maintaining optimal humidity levels, contributing to a healthier living environment. With its sleek design and advanced features, the Rinnai K309 is the perfect combination of efficiency, safety, and style for modern homes.