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How to repair a natural gas boiler: to repair a natural gas boiler, the intervention of a technician is almost always recommended, but some repairs can be done with DIY, let's see how to proceed.
It is true, for therepair of a natural gas boilerit is better to rely on an expert but it is equally true that not all boiler repair operations require the intervention of a specialized technician; some anomalies can be fixed with DIY, while others can be avoided a priori with precise works ofboiler maintenance.
To proceed with aDIY boiler repair, it is advisable to have the user manual of the natural gas heating system at hand.
That amethane, is among the most common types of boiler for heating of the House. Malfunctions, breakdowns and anomalies are quite common, especially for those who do not carry out ordinary practicesmaintenance. Before you seehow to repair a natural gas boiler, we point out the classic interventions to do for a correctmaintenance,in the article reported below (do it yourself boiler maintenance) you can find instructions forrepair the boilerwhen it drips and prevent many expensive technical interventions.
Do-it-yourself boiler maintenance:
- Maintenance of the recirculation pumps
- Control at the pump
- Prevent and contrast the formation of limescale
- Control of the rotating shaft
- Control of temperature and efficiency
- Check the valves and any oxidative layers
- How to bleed the radiators
How to repair a natural gas boiler
Many operations ofboiler repairthey are not that difficult, especially if you already have experience with thedo-it-yourself. Before starting any interventionboiler repairtry to turn the device off and on again especially if you have noticed that theboilerit no longer produces heat.
Forrepair a boilermethaneit will be necessary to understand the causes of the malfunction and where the problem is located. If theboilerit no longer produces hot water or this function is active intermittently, there are various possible causes:
- the valve does not open as it should
- the coil is blocked by limestone
- the water pressure is too low
Do all the checks as described in the article onDo-it-yourself boiler maintenance. Act by exclusion, if there is no limescale and the valves are working, check the water pressure and, if not even here you find any anomalies ... take a look at the pressure switch. The pressure switch is a membrane subject to wear, costs about 30 euros and is easily replaced. When checking the water pressure, also check the correct ignition of the burner and the regularity of the pilot flame. When performing these types of checks, take care ofturn off the gas.
How to check the pressure switch
By removing the body of the boiler, you can access the tubes where you can examine the conditions of the pressure switch; if the membrane seems intact, blow inside the two tubes (they could be clogged with dust) and try to restart the oven.
Check the methane routes
Another fundamental check concerns the nozzles from which the methane arrives. These small ducts must be without any signs of wear and perfectly clean. Together with the nozzles, the other filters must also be checked: if they are clogged with debris, limescale or other substances, they could prevent the correct functioning of theboiler.
Take a look at the card
Continue your investigation by checking the ignition and regulation board. This is the operating brain of theboiler, from here it is possible to analyze the operation of the entire heating system.
For each check and intervention (even a minor one), try to re-ignite the boiler and verify its correct operation.
The heat exchanger
If none of the operations described up to now (including those specified in the articleBoiler maintenance does it yourself) is effective, proceed with a check-up of the water circulation system starting from the heat exchanger. The heating of the water introduced into the circuit is located in the primary heat exchanger.
Since you are not a technician, it is advisable to proceed with caution and not engage in "hazardous repairs". Rather than wait for the boiler failure, we recommend that you treat your heating system with a maintenance regular, just as reported in the user manual assigned to you at the time of purchase of the boiler.