DIVELLO Keywheel Cap M28-MMA

Keywheel cap (handwheel cap) for direct connection onto MMA/Purmo M28x1.5 thermostatic radiator valves. DIVELLO ORIGINAL™: Radiator-independent and optimizing original product. Used to manually (4 mm hex key) regulate radiator valves in heating and cooling systems. Anti-Theft: Theft proof - can be locked with hex key (2 mm) which obstructs disassembly.