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- Stock: 2-5 Days
- Brand: Saunier Duval
Duval Semia Condens 25 two-circuit gas boiler, for rooms up to 180 m², WARM START technology, compact dimensions and easy installation, aluminum heat exchanger
The Saunier Duval Semia Condens 25 condensing gas boiler is the ideal choice for new build and refurbishment projects. It combines compact dimensions, high energy efficiency and modern technology to provide stable heating and hot water for rooms up to 180 m².

Benefits of the model:
WARM START technology
Thanks to the integrated WARM START micro-accumulation system, the boiler responds instantly to a request for hot water. This reduces waiting time, water and energy consumption, and minimizes noise and wear and tear on internal components.Compact dimensions and easy installation
The model features a small footprint, making it convenient for installation in confined spaces. Easy installation and maintenance saves time and reduces operating costs.New aluminum heat exchanger
The highly efficient aluminum heat exchanger provides maximum heat transfer with minimal heat loss, increasing the overall efficiency of the heating system.Modern electronics and self-diagnostics
The boiler is equipped with an eBUS control system and self-diagnostic function that allows for quick fault detection and troubleshooting, increasing reliability and ease of use.
Features:
. Boiler type - gas, wall mounted, condensing boiler
. Purpose - heating + DHW
. Power - 25 kW
. Combustion chamber - hermetic
. Hot water supply - instantaneous, with microaccumulation .
. Heat exchanger - aluminum
. Power modulation - automatic
. Control - electronic (eBUS)
. Energy efficiency class (heating) - A
. Energy efficiency class (DHW) - A
. Self-diagnosis - yes
. Gas - natural / liquefied
. Dimensions - compact
. Guarantee - from the manufacturer
Saunier Duval Semia Condens 25 boiler is a compact but powerful solution, ideal for urban apartments and private homes. You can order this model in the online store Domis.pro.

Payment terms and order preparation
At DOMIS.PRO, we offer different payment terms depending on the product type, its availability and the characteristics of each order.
Different payment arrangements may apply to products in stock, made-to-order items and custom-manufactured products.
Any required deposit, payment deadlines and preparation or manufacturing conditions will be communicated to the customer before the order is confirmed and stated in the quotation or relevant contractual documentation.
Payment methods
Available payment methods may include:
- Bizum.
- Apple Pay.
- Visa and Mastercard bank cards.
- SEPA bank transfer.
- International SWIFT bank transfer.
The availability of each payment method will be indicated during checkout or in the relevant quotation.
Bank transfer details
Beneficiary: Domis Iberica Pro S.L.
NIF: B16460271
VAT identification number: ESB16460271
The bank details required to make a transfer will be provided on the invoice, quotation or order confirmation.
We recommend including the order number or quotation reference in the payment description.
VAT and invoicing
Prices and taxes are applied in accordance with current tax legislation.
Certain intra-Community supplies and exports outside the European Union may be exempt from Spanish VAT when legal requirements are met and supporting documentation is available.
Delivery outside Spain does not automatically qualify for VAT exemption. The applicable tax treatment will be determined before the order is confirmed.
Delivery and transport
Products may be delivered using DOMIS.PRO's own transport or through specialised transport companies and logistics operators.
Shipping costs, delivery times and transport conditions depend on the destination, product availability, dimensions, weight and characteristics.
This information will be communicated to the customer before order confirmation or included in the relevant quotation.
Bulky products and special deliveries
Some products, such as large-format SPC and WPC decorative panels, profiles, windows, doors and pergolas, may require specialised transport or specific unloading arrangements.
Where additional services are required, such as lifting equipment, special unloading or access by specific vehicles, the conditions and costs will be communicated to the customer in advance.
Order collection
Collection of products from our premises may be arranged when this option is available and has been confirmed in advance by DOMIS.PRO.
The collection location, date and time will be agreed before handover.
Payment and delivery enquiries
If you need information about payment terms, availability, transport or product delivery, please contact our team.
Domis Iberica Pro S.L.
NIF: B16460271
Address: Av. de la Pau 45, puerta 24B, 46730 Gandia, Valencia, Spain.
Email: info@domis.pro