BLUMKRAFT Metal adapter Compatible BRAUKMANN OVENTROP and PRUSS M40 x1.5 (Prototype) to M30 x 1.5 for Thermostat/thermostatic head M30x1.5 male. New model September 2025

• NEW SEPTEMBER 2025 MODEL: COMPATIBLE OVENTROP, BRAUKMANN or PRUSS M40 x1.5: metal adapter. Radiator side diameter of M40 x1.5 compatible with M40 valves. 4 rods per adapter
• M30 x1.5 Male: our adapter allows you to adapt modern thermostatic heads (thermostat) in 1.5 thread on your OVENTROP and PRUSS (smart home) radiators
• Compatible with: AVM, Smart Home, Devolo, Fritz!, Fritz!Dect301 and 302, Innogy, Moes, Homematic, Honeywell, Tado, Tafo, etc.
• PROTOTYPE: new adapter based on measurements of a single customer
• COMPATIBILITY TO CHECK: may also be compatible with M40 Braukmann, Dumser, Heimeier, Herb, Honeywell, MNG, Onda, Reich, Schlösser

BLUMKRAFT Metal Adaptor Compatible with OVENTROP and PRUSS M40 x1.5 to M30 x 1.5 Thermostatic Head Thermostatic Head M30 x 1.5 Male Thermostats: Adapts your radiator valve to suit modern and smart M30 thermostats. HOW TO RECOGNIZE AN OVENTROP M40 RADIATOR? - Measure the diameter of the threaded valve: it should be about 40 mm. Attention: Oventrop also has valves in 30mm and 32mm! - The main nut usually has small strokes engraved on it HOW TO RECOGNIZE A PRUSS M40 RADIATOR? - Measure the diameter of the threaded valve: it should be about 40 mm - PRUSS logo on the valve - 2 hex nuts surround the shank Compare the photos of the valves well with yours. Supplied with 2 rods for greater compatibility Installation: Insert the rod into the adapter, leaving the rod head in the adapter. Screw the adapter to the radiator valve. Long stem: OVENTROP Medium stem: PRUSS WHAT DOES PROTOTYPE MEAN? This PROTOTYPE adapter is an adapter designed to meet the needs of a single customer. But we need your validation to confirm that our prototype works. If this adapter works or doesn't work for you, contact us! We believe this adapter is also compatible with M40 Braukmann, Dumser, Heimeier, Herb, Honeywell, MNG, Onda, Reich, Schlösser but this is still to be confirmed. Compatible with all M30 x 1.5 thermostats: - Ambisense Vaillant - AVM, - AVM-Set 302 - Danfoss - Devolo - Fritz! - Fritz!Dect301 - Fritz!Dect302 - Homematic - innogy - Moes - Oventrop - Tado° - TRV - Zigbee ROHS CERTIFICATION Your health is important to us so all BLUMKRAFT adapters are subject to ROHS certification which guarantees the absence of toxic substances.