You might also be interested in these underfloor heating manifold return pin valve.
Pack of 4 Underfloor Heating Manifolds M30 x 1.5 mm, G1/2 Underfloor Heating Manifold Return Pin Valve Insert, for Distributor, Water Distributor Accessories for Ufh Actuator, Underfloor Heating
[ROBUST BRASS & ABS CONSTRUCTION]: Engineered with high-quality brass and ABS materials, this valve insert delivers exceptional durability and longevity for your underfloor heating system. The premium materials resistance against , pressure, and temperature fluctuations, providing reliable performance throughout years of operation in demanding heating environments.