Board
We read the Ferroli fault and check module power before a controller swap.
Boiler repair at home in Chilanzar-16
Home visitDiagnostics with repairWarranty on labor
Boiler repair in Chilanzar-16: a board fault or no ignition — the technician checks the module, NTC sensor and condensate trap.
On Ferroli in edge five-storey niches the condensate trap clogs with perimeter dust more often than it freezes: ignition fails while the valve still lives.
The coaxial flue exits the row end wall to the south-west — give the floor and quiet-yard side so we can judge Ariston flue access.
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
Chilanzar-16
Service Area
Visit time
Confirmed by phone
How to arrange a visit
- Chilanzar-16: a perimeter block, floor and a boiler niche by the riser of a five-storey row.
- Leave access to the board, NTC sensors and the trap under the boiler.
- Name Ariston or Ferroli: a board code, no ignition, or a trap full of silt.
How the visit works
NTC sensor
We compare Ariston NTC resistance if the boiler locks on overheat with a barely warm exchanger.
Condensate trap
We clear the trap when ignition fails and water stands under the boiler.
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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