QXS water-tube hot water boiler
High-capacity hot water generation for large heating networks.
Explore solutionA compact vacuum hot water range using full-premixed combustion.
Final technical specifications depend on fuel, pressure, operating conditions and destination requirements.

A compact vacuum hot water range using full-premixed combustion. The product range shown is from the supplied catalog. Final model, pressure, heat input, fuel consumption and performance values should be confirmed using the current factory technical sheet.
| Rated capacity | 350–7,000 kW (catalog reference) |
|---|---|
| Output medium | Hot water, steam or electric heating depending on model |
| Fuel / power supply | Confirm by model and destination market |
| Pressure & temperatures | Provide required operating and design conditions |
| OEM scope | Branding and project options available across the catalog; confirm scope before production |
Share required output, operating pressure and temperature, fuel or voltage, feed-water conditions, operating hours, destination country and any OEM branding or documentation requirements.
The catalog gives reference configurations. Final dimensions, accessories, emissions, efficiency basis and performance depend on the selected model and confirmed project conditions.
OEM options are available across the catalog range. Confirm the approved brand presentation, nameplate, language, packaging and technical-document scope before production.
High-capacity hot water generation for large heating networks.
Explore solutionWater-tube hot water boilers with modular and shop-assembled configurations.
Explore solutionVacuum hot water generation using decoupled diffusion combustion.
Explore solutionShare your capacity, operating conditions and destination. We’ll help define the right boiler configuration and OEM scope.