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A boiler in Larimer County earns its wear on the burner and heat exchanger, not in storage. Homes in Larimer County, CO run heat about ten months a year, from September through June. Every ignition cycle stresses the same components: the burner assembly, the heat exchanger seams, and the ignition system that fires it all up. A contractor called out for a repair checks those parts first, because the cycling load they have absorbed is where failures originate. Pressure relief valves and circulator pumps follow close behind.
Piping, zone valves, and expansion tanks wear on a schedule tied to how long the system has run, and in a county where the housing stock is as old as this one, that schedule matters when a contractor opens a boiler and starts tracing the problem outward. Half the homes in Larimer County, Colorado were built in 1993 or earlier (2020-2024 ACS 5-year). A boiler that throws a fault code is often pointing at a component in the distribution loop rather than at the heat exchanger itself, and in houses built for the equipment of their era, those loop components are frequently as worn as whatever failed first. What the contractor finds once the system is open determines whether the repair is a single part or a broader scope.
The Parts of a Boiler a Contractor Checks First
The boiler itself sits in the basement or mechanical room and is the piece a contractor goes to first. It heats water and pushes it through the system. When it fails, symptoms range from no heat at all to uneven temperatures across rooms. The burner, heat exchanger, and pressure vessel are all housed inside it and each one is a potential fault point.
From the boiler, pipes carry hot water to radiators or radiant panels located throughout the living space, and a circulator pump drives that flow. The expansion tank, pressure relief valve, and aquastat controls sit close to the boiler and regulate pressure and temperature. Any one of these can be the source of a problem a contractor is tracing.
The drawing shows a typical boiler layout, and a licensed contractor determines which components apply to your specific system and where the fault actually lies.
Get matched in Larimer CountyLarimer County, by the numbers
359 severe weather events were recorded in Larimer County, Colorado between 2015 and 2024.
NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31.Half the homes in Larimer County, Colorado were built in 1993 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesLarimer County, Colorado holds 164,690 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 64.0% of the occupied homes in Larimer County, Colorado (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesSevere Weather Events in Larimer County
Larimer County weather puts real stress on boiler systems, and that stress shows up as repair calls. Tracking recorded severe weather events by year gives a clearer picture of what local equipment is actually working against.
359 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.