Boiler Repair in Sheffield, Rotherham, Barnsley, Doncaster & Chesterfield
Fast & Reliable Boiler Repairs in South Yorkshire
Get your heating and hot water back quickly. Kassgas provides expert repairs for all makes and models across Sheffield, Rotherham, Barnsley, Doncaster, and Chesterfield.
Our “Repair First” Guarantee
Unlike many companies, we never push unnecessary replacements. We will always try to repair your boiler wherever it’s safe and cost-effective, offering clear options to suit your budget.
Common Faults We Fix
Specialist repairs for: Worcester Bosch, Ideal, Vaillant, Baxi, Viessmann & more.
Why Choose Kassgas?
Same-Day Response
We aim to get your boiler running as quickly as possible.
Transparent Pricing
No hidden fees—just clear, fair pricing for every repair.
Gas Safe Certified
Fully qualified, DBS checked, and ISO certified engineers.
Kassgas Boiler Repairs
Expert Diagnosis & Honest Advice
Our priority is to assess the overall quality of your appliance before narrowing down the specific fault. We believe in transparency—we will talk you through the diagnosis and fully explain the parts required and the best course of action for your home.
Our Goal: Repair First
We always aim to fix your boiler to get it working safely and efficiently. If the parts are available and the cost is reasonable, we get the job done right there.
When is it “Beyond Economical Repair”?
If the cost of parts is too high, we may advise that your money is better spent on a newer, A-rated boiler. We only recommend this if a repair is no longer the best value for your investment.
Common Faults Boilers Face
- Listed below are some common faults that all homeowners should know, to avoid getting taken advantage of.
- Boiler Pressure - If you have a Combi or System boiler then the normal working pressure the boiler should be at is 1.5 Bar. If your boiler has insufficient pressure, try increasing it with the filling loop underneath the boiler.
- No Power - Does your boiler have no lights or display working ? Always check your switch to the boiler or even the plug hasn't been accidentally knocked. Your boiler should be operated on a 3 AMP fuse only to avoid your boiler surging with power.
- Thermostat Issues - Always check your Thermostat has sufficient battery power and has signal to the boiler receiver by turning the controls off and on. All thermostats will show pairing methods in them and will show you how to re-bind them.
- No Gas - Before calling a gas engineer always make sure that you have an active gas line coming to the property by lighting the hob or gas fire. If on a pre-payment meter always make sure there is enough credit on the meter and it hasn't locked itself.
- Leaking Parts - If your boiler has sprung a leak, always turn off your mains cold water stop tap, and bleed your radiator till no more water comes out into a mug bucket to relieve all pressure inside the boiler. This quick action may save you a lot of money in extra parts required.
New Boiler Installation
Boiler Servicing
Boiler Repairs
Power Flush
Landlords / Letting Agents
Plumbing
We can help with any general plumbing work from emergency leaks to outdoor tap installation.
Smart Thermostat
Cooker Installation
Our gas cooker installations comply with all safety regulations. Moving house? We can remove your cooker in one property and install it in another on the same day, including weekends.
Commercial Gas Services
We provide comprehensive services including installation and maintenance of gas equipment, thorough safety inspections by Gas Safe registered engineers, and energy efficiency solutions to help you save money and reduce your environmental impact.
Reviews
Our Happy Customers!
We rang Kassgas on Wednesday afternoon. By Thursday afternoon we had a new boiler. Billy fitted our boiler, he was extremely polite and tidy he even took his shoes off each time he came into the house. Not enough words to praise him enough, he took time to explain how to work the new boiler and controls to two pensioners.
Billy and Matt were about to leave when we mentioned that our stop tap was leaking, they stayed behind and fit a new one. It was heartwarming to meet two young men who didn’t want to rip us off.
We would and already have spread the word about this company.
Neil & Sue
SueH-976
Billy and Matt just installed a new boiler. They recommended Ideal with a 12 year warranty. They turned up on time within a week of providing a very good quote. they removed the old boiler, installed the new one, flushed the radiators, added inhibitor, installed new halo wireless thermostats and checked everything was working ok in the space of 5 hours. They removed all the rubbish and left a very tidy finish.
I would definitely recommend themWould definitely recommend Kassgas if you have any heating or boiler problems.
Eric Jones
Why Choose Us
We put customer service and satisfaction above all else. Listening to your needs and doing everything in our power to ensure you are fully happy with everything we do. So if you’re looking for a plumber or heating engineer for your next project, why not give us a call.
Our excellent customer service is second to none, check out our reviews here
