Heating Equipment Accessories Thermostatic Head M30 x 1.5 Radiator Zero Position Valve Heating Frost Protection Heating Accessories (2PCS)

High-quality product For valves with M 30 x 1.5 threaded connections and valves with M 30 x 1.5 threaded connections for radiator manufacturers. Upper limit zero ratio: 0.10057,1,2,3,4,5 It features frost protection and adjustment functions to assist with setting the temperature. There is no fixed adjustment range; the setting is influenced by the heating system temperature and the ambient temperature. The arrow markings allow you to easily find the desired temperature.