OVENTROP Thermostatic Valve Lower Part AF, DN10 3/8 IG with fine adjustment, nickel-plated, # 1180703

Thermostatic valve AF with fine presetting for manual hydraulic balancing. For use in central heating systems, especially suitable for district heating (in accordance with AGFW Worksheet FW 507), direct and indirect connection. For central heating systems with high temperature spread and systems requiring small flow rate settings. With continuous fine presetting. Presetting adjustable under system pressure and concealed, valve insert can be replaced without draining the system. Brass fitting, with nickel-plated housing, stainless steel spindle. All AF valves have a red protective cap. The gland nut has been marked red since the end of 1993. Thermostat thread connection: M 30 x 1.5