Gas valve
We check manifold pressure on Baxi if the flame will not hold after ignition.
Boiler repair at home in Chilanzar-9
Home visitDiagnostics with repairWarranty on labor
Boiler repair in Chilanzar-9: no ignition or falling pressure — the technician checks the gas valve, electrodes and circulation pump.
On Baxi in quarter 9 nine-storey niches the condensate trap often clogs: the boiler locks out while the pump still runs.
The coaxial flue usually exits the building end — give the floor and yard side between the panels so we can judge access to the Navien flue.
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-9
Service Area
Visit time
Confirmed by phone
How to arrange a visit
- Chilanzar-9: nine-storey block, floor and boiler niche by the riser or in the kitchen.
- Leave access to the gas cock, coaxial flue and the return filter.
- Name Baxi or Navien and the error code: no ignition, falling pressure, or no domestic hot water.
How the visit works
Electrodes
We clean and set the Navien electrode gap on bangs and flame lift-off.
Pump
We listen to circulation when radiators stay barely warm with a hot 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
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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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