BRV Bonetti Rubinetterie Valduggia S.r.l.


Regolare e distribuire energia pulita

DomvS Clima

Control unit for manifolds of heating and cooling radiant panels up to 200 m2. Fixed point thermostatic mixer or motorized rotary mixing valve. LCD room control unit.

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Mixing kit for ModvFresh Basic

35÷60°C thermostatic mixing kit designed for ModvFresh Basic, with anti-scald thermostatic mixing valve for small applications.

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726 - Basic Series

Anti-scald thermostatic mixing valve for medium and small applications. Compact size. Available Kvs: 1.5, 1.8 and 3.4.

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°Caleon Thermostat - Wi-Fi

Elegant chrono-thermostat with TFT capacitive touch panel. Wi-Fi N 2.4 Ghz connection for remote control by °Caleon app.

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Multifunctional compact hydraulic module for the management of a direct circuit, a mixed circuit and the production of domestic hot water (DHW)

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Modular multi-zone distribution box for wall-mounted gas boilers or heat pumps. Three types of available pump units: direct, mixed motorized, mixed fixed point.

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Full bore 2-way zone ball valve, with bidirectional actuator with quick connection. Dimensions from 1/2" DN15 to 1"1/4 DN32.

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ModvFresh Basic

Compact heat exchange unit to deliver fresh domestic hot water (DHW).

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M2 FIX3 CS - DN20

2-Way pump unit with recycling thermic valve for solid fuel boilers

The unit for 1/2” (130 mm) circulating pumps consists of:


  • Flanged ball valve with non return valve 20 mbar (which can be excluded by rotating the handle by 45°) supplied with in-handle thermometer (coded red; 0°C-120°C).
  • “T” connection for thermic valve.
  • Connection.


  • Connection.
  • Recycling thermic valve with the sensor dipped into the fluid. Start opening temperature: 60°C (F3), 45°C (F4) and 55°C (F5).
  • Synchronous pre-wired circulating pump with cable 2 m. long (for the models that include it).
  • Flanged ball valve supplied with in-handle thermometer (coded blue, range 0°C-120°C).

Centre distance 90 mm. EPP insulation box (Measurements: 180x302x142 mm).
PN 10, max temperature 100°C (unit without pump).
Connections: 3/4” Female to the heat source. 3/4” Male with swivel tang to the user.

For power up to 28 kW (with Δt 20 K) and maximum flow 1200 l/h.
Kvs Value: 2,8.
Approximate data calculated with a 6 m nominal lifting power circulating pump.
For an accurate measuring or for higher flows, please refer to the diagram.
Available recycling thermic valves:
Temp. of opening start 60°C (F3)
Temp. of opening start 45°C (F4)
Temp. of opening start 55°C (F5)
Circulating pumps:
Wilo Yonos Para RS 15/6 RKC (C6)
Grundfos UPM3 AUTO L 15-70 (UL7)
Wilo Yonos Para RS 15/7,5 RKC (C8)

We suggest you to install two isolating valves
Art. 552 3/4” (see "Distributor" section) before the pump unit to allow an easy service or replacement of the components of the unit.
Typical curves of the pump unit and of the circulating pumps

Click to zoom

We recommend to install the DN20 pump unit as supply unit of the buffer tank. If directly connected to the hydraulic switcher and to the distributor, please check the compatibility of the headlosses of the pump unit in comparison to the requested flows.

Code: 20255R-F(3/4/5)CS - with circ. pump: 20255R-F(3/4/5)CS-(C6/UL7/C8)

Standard version: right supply.
Left supply version available with extra price: see price list.