
Specifications
- Reference
- VM-20054232
- Material, heat exchanger
- Stainless steel
- Closed finish
- Yes
- Nominal useful output 80-60 °C
- 24.5kW
- Suitable for low-calorific natural gas
- Not suitable
- Suitable for propane
- Standard factory setting
- Suitable for butane
- Not suitable
- Suitable for methane
- Not suitable
- Adjustable heating power
- No
- Conversion kit available
- No
- On/off control signal
- Yes
- High/low control signal
- No
- OpenTherm control signal
- No
- Control signal 0-10 V
- No
- High/low burner regulation
- No
- Modulated burner control
- Yes
- Minimum setback temperature
- 1°C
- Minimum working pressure
- 0.3bar
- Max. operating pressure
- 3bar
- Energy saver included
- No
- Maximum upstream gas pressure
- 30mbar
- Minimum upstream gas pressure
- 20mbar
- Second outlet connection
- No
- Nominal power low value, sanitary water
- 30.6kW
- Nominal power high value, sanitary water
- 33.966kW
- Faucet base
- 1.5l/min
- Integrated distribution/filling valve
- No
- Integrated pump switch
- No
- Built-in manometer
- No
- Integrated ambient conditions controller
- No
- Integrated expansion vessel
- No
- Integrated overpressure valve
- No
- Built-in inlet combination
- No
- Height
- 740mm
- Depth
- 300mm
- Width
- 418mm
- Supply connection
- Serrage
- Diameter outside of the inlet pipe
- 22mm
- Return connection
- Serrage
- Diameter outside of the return pipe
- 22mm
- Connection, fuel
- Serrage
- Diameter outside of fuel pipe
- 15mm
- Condensate connection
- Flexible
- Diameter outside of condensate pipe
- 17mm
- SEER (Seasonal Energy Efficiency Ratio) in standard conditions
- 93
- Energy efficiency of hot water
- 84%
- Capacity profile
- XL
- Useful heat emission at nominal heat in high temperature operation (P4)
- 24.6kW
- Useful efficiency at nominal heat in high-temperature operation (n4)
- 88%
- Additional full-load electricity consumption (Elmax)
- 0.035kW
- Heat loss in standby (Pstby)
- 0.042kW
- Additional standby electricity consumption (Psb)
- 0.003kW
- Gas label HR
- No
- Gaskeur NZ
- No
- EAN code
- 3532041775786
Key features
- Height: 740mm
- Material, heat exchanger: Stainless steel
- Closed finish: Yes
- Nominal useful output 80-60 °C: 24.5kW
- Suitable for low-calorific natural gas: Not suitable
About this product
Bulex. Thema Condens. 25/30 A. Condensing gas wall-mounted boiler. For propane. Heating and domestic hot water. DHW technology: AquaFast. Heating body, burner and plate heat exchanger in stainless steel. Individual and collective flues. Thermostat connection ON/OFF or eBUS, OpenTherm optional. Large LCD interface. Expansion vessel 8 litres, bypass and pressure relief valve 3 bar. Built-in three-way valve. Built-in weather-compensated control, outdoor sensor optional. Built-in modulating pump control according to temperature. Not supplied with the appliance: connection pipes, mounting plate, connection kit, filling kit, non-return valve and vertical outlet. ErP Ready.
Delivery and returns
Free delivery in Belgium from €65 excl. VAT
In stock · ships in 3-6 working days
14-day right of return
Free delivery in Belgium from €65 excl. VAT, otherwise €9.95. Delivered in 3-6 working days when in stock. Manufacturer warranty according to the product.
Manufacturer warranty
2 year manufacturer warranty
Minimum 2-year manufacturer warranty + Valtieri after-sales included
Secure payment
VAT invoice with every order
incl. 21% VAT · excl. 21% VAT
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