Rational Service Partner

Commercial Kitchen Gas Engineers – Fast & Reliable

Book an engineer for breakdowns, warranty repairs or servicing.

The highest quality of in & out of warranty repairs

Our engineers are authorised to work on all Rational ovens in and out of warranty. Every repair and installation we carry out with genuine Rational parts is backed by a 12-month manufacturer's warranty, giving you total peace of mind.

Breakdown Callouts

Fast response to equipment breakdowns. Our engineers are available to get your kitchen back up and running quickly with minimal downtime.

Warranty Repairs

Comprehensive warranty repair services for your Rational equipment. We handle all manufacturer warranties efficiently with genuine parts many of which carry a 12-month warranty.

Servicing

Regular maintenance and servicing to keep your equipment running safely and efficiently year-round with minimal interruption.

Service Plans

Protect your equipment with tailored service plans. Priority callouts and regular maintenance included with exclusive benefits.

What We Repair

Expert repairs for a wide range of commercial kitchen gas and cooking equipment, including:

Rational SelfCookingCenter

Rational SelfCookingCenter WE

Rational CombiMaster

Rational CombiMaster Plus

Rational iCombi Pro

Rational iCombi Classic

Rational Vario Cooking Centre

Rational iVario Pro

Problems We Fix

Fast diagnosis and repair for the issues commercial kitchens face every day.

Oven not heating

Units failing to reach temperature or taking too long to heat up.

Error codes on Rational ovens

Frequent error codes, fault messages or shutdowns on Rational combi units.

Poor steaming or no steam

Loss of steam performance affecting cooking quality and consistency.

Gas smell or suspected leaks

Safety-critical gas issues that need urgent investigation and repair.

Overheating appliances

Equipment running too hot, tripping, or causing safety concerns.

Fan and airflow issues

Noisy fans, airflow problems or uneven heat distribution.

Uneven cooking results

Hot and cold spots, inconsistent baking or roasting performance.

Ignition and flame failures

Burners not lighting, flame-outs or intermittent ignition.

Temperature control faults

Inaccurate thermostats, fluctuating temperatures or poor control.

Electrical / control board faults

Control panels, PCBs or electronics failing or behaving erratically.

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Accredited & Trusted By

Why Gastech?

Fast Response Times

Minimise kitchen downtime.

90% First Time Fix

A vast amount of stock in all of our vehicles means we're ready to act.

Fully Accredited

Gas Safe registered, Rational Service Partners, and CEDA members for your peace of mind.

15 years of service

Knowledgable and experienced for issues large and small - our experience is invaluable and provides the foundation of a reliable and well established service.

"Quality isn't just what we deliver — it's who we are. Every repair, every service call, every client relationship is built on precision, reliability, and care."

— Director, Gastech Inc.

Proudly Looking After

Trusted by leading restaurants and hospitality brands

Frequently Asked Questions

Quick answers to the most common questions our customers ask.

Yes — in most cases we can attend the same day, depending on the time of booking and location.

Yes. Our authorised Rational engineers handle both in-warranty and out-of-warranty repairs using genuine parts. Many parts used also carry a 12-month warranty.

We cover London and the Home Counties, including postcodes W, WC, N, NW, HA, E, EC, EN, SE, SW, RG, SL, HP, UB, GU, KT and TW.

Yes — we offer Basic, Plus and Premium maintenance plans designed to reduce breakdowns and keep your kitchen running smoothly.

We service and repair anything Rational