Is your valve compatible with FLOW smart thermostatic heads?
Before fitting a FLOW PRO or FLOW CORE smart thermostatic head to a radiator, check that the existing thermostatic valve is compatible. This compatibility table lists 86 radiator valve models from nearly 60 manufacturers (Danfoss, Heimeier, Comap, Giacomini, Oventrop, Caleffi, Honeywell-Braukmann, Siemens…). For each valve, four photos help you identify it, together with its connection type and fitting solution:
- Direct fitting: most valves with an M30 x 1.5 thread, the most common standard, take FLOW without an adaptor.
- ADAPT 1 to ADAPT 6: some connections (Danfoss RA and RAVL, Caleffi, Giacomini, Comap M28 x 1.5…) need the adaptor shown.
- Not compatible: the valve cannot take a FLOW head.
How do I identify my valve? Remove the old thermostatic head, then compare the valve body and its connection with the photos below. Can’t find your model? Email us at contact@nexelec.eu.
FLOW PRO / FLOW CORE
Thermostatic valve compatibility
Direct fitting
No adaptor needed
Not compatible
Not compatible with FLOW
| Valve views | Manufacturer | Connection | Compatibility |
|---|---|---|---|
 | Albert | M30 x 1.5 |
|
 | Armal | M24 x 1.5 |
|
 | Bianchi | M30 x 1.5 |
|
 | BRV | M30 x 1.5 |
|
 | Caleffi | 23 mm | ADAPT 4  |
 | Carlo Poletti | M30 x 1.5 |
|
 | Comap | M28 x 1.5 | ADAPT 6  |
 | Comap | M30 x 1.5 |
|
 | Conec | M30 x 1.5 |
|
 | Coterm | M28 x 1.5 |
|
 | Danfoss RA | 23 mm with 4 notches | ADAPT 1  |
 | Danfoss RA | 23 mm with 4 notches | ADAPT 1 |
 | Carlo Poletti | M30 x 1.5 | ADAPT 2  |
 | Danfoss RAVL | 25.5 mm with 4 notches | ADAPT 3  |
 | Danfoss FJVR | 32 mm with 2 notches |
|
 | Danfoss RTD | M30 x 1.5 |
|
 | Diamond | M30 x 1.5 |
|
 | Drayton | M30 x 1.5 |
|
 | Drayton | M27 x 1.0 |
|
 | FAR | 23 mm with 4 notches | ADAPT 1 |
 | Gampper | 27 mm with 4 notches, offset internal thread |
|
 | Gampper | 27 mm with 4 notches, offset internal thread |
|
 | Gampper | 27 mm with 12 notches and internal thread |
|
 | Gampper | M30 x 1.5 |
|
 | Giacomini | 22.6 mm | ADAPT 5  |
 | Giacomini | 22.6 mm | ADAPT 5 |
 | Heimeier | M30 x 1.5 |
|
 | Herz | M28 x 1.5 |
|
 | Honeywell- Braukmann | M30 x 1.5 |
|
 | Honeywell- Braukmann | M30 x 1.5 |
|
 | Ista | M32 x 1.0 |
|
 | ITT DGC | Internal thread M30 × 1.0 |
|
 | IVAR | M30 x 1.5 |
|
 | Jaga | M30 x 1.5 |
|
 | Junkers | M30 x 1.5 |
|
 | Landis & Gyr | 24 mm |
|
 | Luxor | M30 x 1.5 |
|
 | MarkardysM MA | M28 x 1.5 |
|
 | MarkardysM MA | M28 x 1.5 |
|
 | MAW | M33 x 2.0 |
|
 | Meges | M27 x 1.0 |
|
 | Meges | M38 x 1.5 |
|
 | MNG | M30 x 1.5 |
|
 | Ondal | M38 x 1.5 |
|
 | Oreg/Ondal | 30 mm with 12 notches |
|
 | Orkli | M28 x 1.0 |
|
 | Orkli | M30 x 1.5 |
|
 | Orkli | M30 × 1.5 with 4 lugs |
|
 | Orkli | M28 × 1.0 with 4 lugs |
|
 | Oventrop OV | M30 x 1.0 |
|
 | Oventrop OV | M30 x 1.5 |
|
 | Oventrop | M40 x 1.5 |
|
 | Pegler | M30 x 1.5 |
|
 | Pegler | M30 x 1.5 |
|
 | Pettinaroli | M28 x 1.5 |
|
 | Polytronic | M34 x 1.5 |
|
 | Polytronic | M34 x 1.5 |
|
 | Pont a Mousson | M28 x 1.5 |
|
 | Pruss | M40 x 1.5 |
|
 | R.B.M | M30 x 1.5 |
|
 | Reich | 39 mm |
|
 | Remagg | M28 x 1.5 |
|
 | RM-Technik | Internal thread M30 × 1.0 |
|
 | Rossweiner | M30 x 1.5 |
|
 | Rossweiner | M33 x 2.0 |
|
 | Rotex | 25.8 mm |
|
 | Rotex | M30 x 1.0 |
|
 | Sam or Slovarm | M28 x 1.5 |
|
 | Samson | 29.5 mm with 20 notches and internal thread M23 × Ph 4.5 P 1.5 |
|
 | Sarco | M32 x 1.0 |
|
 | Scapi | M34 x 1.3 |
|
 | Schlösser | M30 x 1.5 |
|
 | Siemens | M30 x 1.5 |
|
 | Simplex | M30 x 1.5 |
|
 | Sopac | Internal thread M35 × 1.7 |
|
 | Sopac | Internal thread M35 × 1.7 |
|
 | TA | M28 x 1.5 |
|
 | Temset | 28 mm |
|
 | Tiemme | M30 x 1.5 |
|
 | Vaillant | 30.5 mm |
|
 | Vaillant | M42 x 1.5 |
|
 | Valf Sanayii | M30 x 1.5 |
|
 | Valvex | M30 x 1.5 |
|
 | Watts | M30 x 1.5 |
|
 | Yorhe | M30 x 1.5 |
|
 | Zentra | M40 x 1.0 |
|
Can’t find your valve in this list?
Contact our team! We will help you identify your valve and check its
compatibility with our FLOW smart thermostatic heads.
Contact: contact@nexelec.eu
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