Plantrooms
Packages available
PLANTROOMS
Many packages available to suit your needs. Contact us today for a free quote.
COMMUNAL & DISTRIC HEATING
Gas boiler service
Coming soon
WATER TREATMENT
Coming soon
MONTHLY CHECKS
Coming soon
PPM
Coming soon
System balancing
Coming soon
FREE QUOTE
Or Call 0800 195 6468
HIU REPLACEMENT
coming soon
Tado Heating Programmer & Smart Radiator Thermostat

Schedule Install
Or Call 0800 195 6468
Thermal Store & Hot Water Cylinder Repair
REPAIRS from £89.99 + vat
We’re here to keep you comfy!

Thermal stores and hot water cylinders have become extremely sophisticated offering high efficiency to the user. Repairing and installing new units requires high levels of qualification, skill and experience. Modern systems can combine complex systems such as thermal solar, heat pump, thermal store, unvented hot water cylinders and digital heating controllers.
Our engineers are fully trained and qualified to design, install, repair and service your unit to the highest standard in the
quickest and most professional way, offering excellent value for money. Call us today to book your thermal store / hot water cylinder repair on 0800 195 6468.
£5 OFF
Must be presented at the time of service. Can not be combined with any other offer.
Schedule Repair
Or Call 0800 195 6468
Thermal Store & Hot Water Cylinder Service
Service for £89.99 + vat Only
We’re here to keep you comfy!

Most manufacturer’s warranties are only upheld if your renewable technology is regularly maintained, which is why it is important to ensure your hot water cylinders are serviced frequently by qualified engineers.
Our annual service for hot water cylinders and thermal stores include: Inspecting for signs of wear or damage, checks to see if the correct manufacturer’s parts are fitted, testing the temperature and pressure relief valves, removing the line strainer and cleaning the filter, checking the pressure of the expansion vessel, setting the correct incoming water pressure and issue an annual service certificate. With thermal stores we will aslo check the functionality of the flow switch, pump and fill the cylinder to the level required by manufacturer, we will also add inhibitor if necessary. Call us today to book your next service or for any enquiry on 0800 195 6468.
£5 OFF
Must be presented at the time of service. Can not be combined with any other offer.
Schedule Service
Or Call 0800 195 6468
HIU REPAIR LONDON
London’s #1 HIU specialists contractor.
HIU repairs London – We are well equipped and trained to provide HIU repair, service and maintenance in London and surrounds area.
Our vehicles are stocked with the most common used parts so we can usually complete your HIU repair on the same day.
R&B London HIU Engineers is trusted by UK’s largest Housing Associations, developers, Managing Companies and over 20k clients. We are also approved by HIU Heat Interface Unit manufacturers.
We do not charge extra for parking, call out, C charge or Ulez. It’s all included with our hourly repair rates.
Our friendly call centre is open 24/7 to answer all your enquiries.

Don’t just take our word for it
BOOK AN ENGINEER
Please fill in the form below our maintenance coordinator
will contact you back shortly.
HIU SERVICE LONDON
HIU SERVICE PROCEDURE
SRAINER (filter)
Both the primary flow strainer and heating return strainer will be cleaned during the service
CALIBRATION
The dpcv or picv will be calibrated to make sure they do not allow an excessive primary flow rate
THERMOSTATIC VALVES
We will set the heating and hot water thermostatic valves to meet to the current district heating return temperature standards
EXPANSION VESSEL
The expansion vessel looses pressure the same way a bike tyre loose it. We will re pressurise the expansion vessel while servicing the HIU
SAFETY CHECKS
We will test the safety parts within the HIU and check the earth continuity
TEMPERATURE RECORD
We will test and record primary, secondary and DHW temperatures to make sure you are not paying for any extra energy which you don’t need.Delta P will be also checked during this process
PUMP
The pump will be set to the correct settings depending on the heating type (underfloor heating or radiators)
FULL BREAKDOWN
We will test the Functionality of all the parts within the HIU
SOFTWARE UPDATE
If you have an electronic HIU then we will update the software if a newer vesion is available
HEAT METER
The heat meter functionality will be checked to make sure it’s not defective
Don’t just take our word for it
BOOK AN ENGINEER
Please fill in the form below our maintenance coordinator
will contact you back shortly.