Gas valve
Flame will not hold — Ferroli ramp pressure.
Boiler repair at home in Kuylyuk-2
Home visitDiagnostics with repairWarranty on labor
Boiler repair in Kuylyuk-2: no ignition or no DHW — the technician checks the gas valve, diverter and secondary exchanger.
On Ferroli and Rinnai in the second quarter the diverter often sticks: radiators are warm, DHW is not.
Boilers in niches of the bazaar quarter — Kuylyuk-2 block and coaxial access from the yard.
from 200,000 sum
Free diagnosticsExact price after diagnostics. We agree on the estimate and parts needed before work starts.
Arrival in 1-2 hours
Warranty included
Home repair
10+ years experience
Kuylyuk-2
Service Area
Visit time
Confirmed by phone
How to arrange a visit
- Access to the gas cock, gauge and return filter.
- Ferroli, Rinnai or Immergas model and the fault code.
- Symptom: no DHW, no ignition or falling pressure.
How the visit works
Diverter
No DHW — valve and Rinnai line.
Secondary exchanger
Weak DHW with a live circuit — plates and scale.
Exchanger & gas
Issues We Fix
Heating and DHW
- Radiators stay cold
- No hot water
- Won't hold temperature
Ignition and gas
- Won't start / no ignition
- Soot / gas smell
Pressure and leaks
- Pressure dropping
- Heat exchanger leaking
Electronics
- Display error
- Noisy operation
- Short cycling
Brands We Service
- Baxi
- Vaillant
- Ariston
- Bosch
- Ferroli
- Navien
- Buderus
- Protherm
- Immergas
- Kiturami
- Rinnai
- Fondital
Topic 1 / 3
Gas boiler heat exchanger cleaning
If radiators stay lukewarm, the boiler is slow to heat, or it short-cycles — scale in the heat exchanger is a common cause. It cuts heat transfer, raises gas consumption, and can overheat the unit.
On diagnostics the technician flushes the primary and secondary exchangers, checks temperature sensors and the return filter. We agree the scope and price before cleaning starts.
Frequently Asked Questions
Boiler not heating or showing an error?
Tell us the model and fault code — we'll advise on a home visit and prepare for diagnostics.
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