Return feed-room temperature regulating valve for central heating radiator has 2 thermostats within regulating housing between adjustable setting cap and transfer piece acting on adjustable valve element

摘要

The temperature regulating valve is screwed into the return feed line for the central heating radiator, with a regulating housing (5) of a low thermal conductivity material secured to the valve housing (3) having a number of air slits and enclosing a pair of thermostats (4), positioned one after the other. The thermostats are positioned between an adjustable setting cap (7) fitted to the regulating housing and a transfer piece (6) of a heat conductive material, acting on the adjustable valve element.