Gas and boiler guides
Practical notes on gas subscription, boiler fault codes, annual servicing and heat pumps, written by the Devka Doğalgaz technical team from real jobs.
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Vaillant service
Combi Boiler Not Giving Hot Water: Causes and Fixes
Boiler running but no hot water at the tap? Based on the troubleshooting tables in Vaillant's manuals, we walk through likely causes, safe checks you can do yourself and when to call a technician.
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Maintenance
How to Bleed Radiators: A Step-by-Step Guide
Radiator cold at the top and warm at the bottom? Here is how to bleed radiators with a bleed key, why you should check boiler pressure afterwards, and what it means when a radiator still won't heat up.
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Vaillant service
How to Reset a Vaillant Boiler: Steps for Each ecoTEC Model
Vaillant boiler locked out and you want to reset it? Based on the ecoTEC plus, pure, pro and intro user manuals, here is how the reset button works, how many attempts are allowed and when you shouldn't reset at all.
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Maintenance
What Should Boiler Pressure Be? Fixing Low and High Pressure
How many bar should your combi boiler show, why does pressure drop and why does it rise? Using Vaillant's own manuals, we explain the right range, topping up and when you need a technician.
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Gas installation
Where to Find Your Natural Gas Installation Number in Antalya
Looking for your natural gas installation number (tesisat numarası) and can't spot it on the bill? We explain the contract account and meter numbers Enerya uses in Antalya, and how to look them up via e-Devlet or customer service.
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Gas installation
Home Natural Gas Installation: 10 Steps for Safe Setup
The first step in arranging natural gas for your home is proper planning Connecting natural gas to your home involves more than simply buying a combi boiler and laying a few pipes. The installation project must be prepared in compliance with the distributor’s requirements, while the combi boiler and radiator capacities must be calculated correctly. A poorly planned system may consume more fuel, heat rooms unevenly or require deficiencies to be corrected before the gas activation process. At Devka Dogalgaz, we assess the home’s floor area, orientation, insulation level, number of rooms and exi
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Gas installation
Antalya Natural Gas Subscription Guide: Steps, Documents and FAQ
An Antalya natural gas subscription runs through an Enerya Antalya application, a set of documents, a certified installation firm and a leak-tightness test. Here are the documents, every step and the district differences.
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Area guides
Boiler Repair Service in Kepez: Common Faults We See
Kepez is one of Antalya's most densely populated and structurally varied districts, and that shapes the type of boiler faults its residents run into. This guide covers the fault patterns we see most often in Kepez and why.
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Gas installation
Gas Tightness Test in Antalya, Turkey: What It Is and Why It Is Mandatory
Once an indoor natural gas installation in Antalya is finished, its tightness must be proven before gas is actually turned on. This guide explains what a gas tightness test is, which rules govern it in Turkey, and why it cannot be skipped.
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Area guides
How Is Vaillant Boiler Installation Done in Konyaaltı?
Konyaaltı's villa and low-rise site stock favors hermetic boilers over flued ones. Here is how the Vaillant installation process, coastal corrosion risk, and site rules play out.
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Area guides
Natural Gas Installation in Muratpaşa: Process and What to Watch For
Muratpaşa's mixed building stock means every natural gas installation follows a different path. Here is how riser lines, the Enerya Antalya process, and neighborhood details shape the job.
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Maintenance
Pre-Winter Boiler Checklist: 10 Steps to Get Ready
Because Antalya's heating season is short, combi boilers sit unused for months and often develop faults right when winter starts. This guide separates checks you can safely do yourself from tasks that require a licensed technician.
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Maintenance
Radiator (Petek) Cleaning: When and Why Is It Needed?
Bleeding a radiator and having a full radiator (petek) cleaning are two different services that solve two different problems. This guide explains which symptom points to which fix, and how the cleaning process works.
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Vaillant service
Vaillant Boiler F.28 Error: Causes and Fix
Seeing F.28 on your Vaillant boiler? Here is what the official manual says it means, safe checks you can run yourself, and when to call a licensed technician.
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Choosing a product
Vaillant ecoTEC plus vs ecoTEC Intro: Model Comparison
ecoTEC plus and ecoTEC Intro are both Vaillant condensing boilers, but they differ in capacity and technology. Here is the technical comparison and our recommendation by household type.
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Choosing a product
What Boiler Size Do I Need? A Guide by Apartment Size
Boiler sizing is not just about square meters - insulation, floor level and hot water demand matter too. A practical guide, with a note on how Antalya's mild climate changes the math.
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Maintenance
When Should You Service Your Boiler? Annual Maintenance Guide
Not sure when to book boiler maintenance? Here's the right timing, what gets checked during an annual service, and how Antalya's climate changes the schedule.
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Vaillant service
Why Does a Vaillant Boiler Show F.75, and How Is It Fixed?
F.75 on a Vaillant boiler points to a pump or low-water fault. Here are the likely causes, what you can safely check, and when to call a licensed technician.
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