TRV/Thermostat Radiator ValveADAPTOR FOR Danfoss 22MM "RA-" Models ONLY, eg, RA-A, RA -B, RA-C, RA-FN, RAS-. Suitable for older, pre 1999 radiator Valves with the now Obsolete 22mm Clamp fitting, and this then Converts it to the Modern 2025 Standard 30mm/M30 Ring-Screw fitting.
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