General description The 4PCS Thermostatic Head is designed for efficient temperature control in your home or office. With 5 adjustable stages, it allows you to customize the heating according to your needs, ensuring comfort and energy efficiency. Technical specifications Thread connection: M30 x 1.5mm Material: High-quality forged and machined brass with a nickel-plated exterior and plastic components Installation Align the scale with "5" during assembly Screw in the coupling nut and tighten Ensure the water flow arrow points in the same direction as the water flow Both vertical and horizontal installation are recommended Usage 5 adjustable temperature stages: 0 is off, 1-5 intensity in ascending order Adjust to the lowest speed "*" for long ventilation periods Equipped with a level probe for detecting outdoor temperature changes Features anti-freeze and temperature adjustment functions Other information Package includes 4 thermostat heads Please verify compatibility with your valve