Home / Boiler repair / Expansion tank service
Boiler expansion tank service
We test, recharge or replace the expansion tank so pressure stays steady as the system heats and cools.
Symptoms
Signs you need this repair
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Pressure climbs when heating
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Relief valve dripping
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Pressure drops when cold
- Typical time
- About 45 minutes, usually in one visit
- Warranty
- 3 months on this repair and the parts we fit
- Price
- Flat $89 service call for the visit and diagnosis, then an exact written quote for this repair. How pricing works
- Brands
- Bosch, Rinnai, Navien
Same appliance
Other boiler repairs
- Annual tune-up~75 min
- Igniter and flame sensor replacement~60 min
- Circulator pump replacement~90 min
- Heat exchanger flush~90 min
- Control board repair~120 min