OVENTROP Thermostatic valve body AF, DN15 1/2 IG with fine adjustment, nickel-plated, # 1180704

Thermostatic valve AF with fine presetting for manual hydraulic balancing. For use in central heating systems, particularly suitable for district heating (according to AGFW worksheet FW 507), direct and indirect connection. For central heating systems with high temperature differences and systems requiring the setting of small flow rates. With stepless fine presetting. Presetting can be changed under system pressure and is concealed. Valve insert can be replaced without draining the system. Red brass/brass valve with nickel-plated housing, spindle made of stainless steel. All AF valves have a red protective cap, the stuffing box screw has been marked in red since the end of 1993. Thermostat thread connection: M 30 x 1.5