BoilersRadiant / Hydronic Heating Feb 15, 2026 1 min readUpdated Sep 30, 2026
Service call in Half Moon Bay — inspection and maintenance of the combi boiler
The combi boiler was losing pressure and causing unstable system performance.

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Radiant Heat System — Service Call
Service call: under $200
Customer issue:
The combi boiler was losing pressure and causing unstable system performance.
What we found:
- ✅ Boiler is severely worn, multiple internal leaks
- ✅ Visible corrosion and moisture inside the unit
- ✅ Several key components no longer hold pressure
- Cause — prolonged lack of regular maintenance
Professional assessment:
- ✅ Repair in the current condition is not cost-effective
- ✅ Even replacing individual parts would not guarantee reliable operation
- ✅ Continuing to use the old boiler would likely lead to repeated failures and extra expenses
Client solution:
- ✅ The client decided to replace the boiler
- ✅ After installing the new equipment, the client will enter a regular service maintenance contract with us
- ✅ This will significantly save money, prevent emergency repairs, and provide peace of mind
Advice:
✅ Regular service maintenance is the right choice, saving money and ensuring reliable heating system performance.
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