HEAT NETWORKS · LONDON
HIU Heat Metering & Part Replacement
Many Heat Interface Units (HIUs) in London rely on accurate heat metering and reliable components. When a heat meter fails, readings look wrong, or an original part needs replacing, HIU Experts diagnoses the system and provides the appropriate replacement solution.
Common HIU Heat Metering & Part Replacement Problems
Heat meters and HIU components can develop faults that affect readings, heating or hot water. Our engineers diagnose the issue and identify the correct repair or replacement solution.
Blank or frozen display
The heat meter shows nothing, or the reading appears to have stopped updating.
Incorrect usage readings
Meter readings don't match actual heating or hot water usage.
Communication faults
The heat meter isn't sending accurate readings back to the building's billing system.
Fault or error codes
The meter or HIU is showing an error, alarm or fault code.
Original part failure
An HIU component has failed and requires an original replacement part.
Heat meter failure
The heat meter has stopped working and requires inspection or replacement.
Metering & Part Replacement for Residents & Property Managers
Whether it's one flat with a faulty heat meter or a block-wide metering issue, we diagnose heat meter and HIU component faults for both.
PROCESS
How Our Heat Metering & Replacement Service Works
01
Tell us the problem
Call or WhatsApp with your postcode, meter/HIU brand if known, and what's happening.
02
Diagnose the fault
Our engineer checks the meter, its sensors, wiring and connection to the HIU.
03
Explain the solution
We explain what's causing the fault and what's needed to fix it before proceeding.
04
Complete the repair
We confirm the meter is reading and communicating correctly once fixed.
Frequently Asked Questions About HIU Heat Metering & Replacement
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Related HIU services
HIU Servicing London
Annual service that includes flow, temperature and connected meter checks.
Heating Controls
When the meter is fine but room controls or underfloor heating still fail.