This is Rational’s own-brand liquid descaler, developed specifically for use with CombiMaster and ClimaPlus Combi ovens. It is designed to remove limescale build-up from the oven’s water system and steam generation components — the kind of build-up that, if left unchecked, gradually undermines cooking performance and shortens equipment lifespan.
In hard and medium-hard water areas, scale accumulation is one of the most common causes of reduced steam output and inconsistent cooking results in combi ovens. Regular descaling with the correct product helps keep the steam generator and internal water pathways clear, maintaining the cooking conditions the oven was calibrated to deliver.
Using Rational’s own descaler rather than a generic alternative is worth considering. Rational’s combi ovens are precision pieces of equipment with specific material tolerances, and the manufacturer’s own chemistry is formulated to be compatible with those components. Using non-approved products can, in some cases, affect internal parts or void servicing arrangements.
- Formulated specifically for Rational combi oven water systems
- Helps maintain steam output and cooking consistency
- Supports compliance with Rational’s recommended maintenance programme
- Suitable for use in hard and medium-hard water areas
- Part of a complete Rational chemical care range
How frequently you descale will depend on your local water hardness and how heavily the oven is used. Kitchens in hard water regions running the oven through multiple service periods daily will typically need to descale more often than lighter-use sites.
If you’re unsure about the correct descaling frequency for your site, or whether your water hardness warrants additional water treatment measures, the team is happy to advise.
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