the thermsaver standard efficiency combi oil boiler
the thermsaver standard efficiency combi oil boiler


technical data

this is the
built in programmer

this is the
expansion vessel

here is the
insulation blanket

this is the
high limit stat

this is the
flexible oil line

here is the
central heating flow

this is the
safety relief O/F

this is the
domestic hot water

here is the
cold water mains

this is the
return tapping
(either side)

this is the
automatic air vent

here is the
safety relief valve

this is the
pressure gauge

this is the
circulating pump

here is the
thermostatic mixing valve (dhw)

this is the
diverter valve

this is the
filling loop valve
and check valve

here is the
low pressure safety switch

this is the
plate heat exchanger

this is the
system drain cock

this is the
snorkel tube
for the
balance flue

this is the
thermal store

here is the
pre-wired burner

this is the
boiler control stat


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A full range of telescopic flue kits are available for the complete thermsaver oil boiler range.

This diagram of the Thermsaver standard efficiency combi oil boiler is for illustration purposes only. We have made every effort to ensure that the information given on this page is accurate, however this information may change as a result of continuing product research and development.

If you place your mouse over the selector number on the exploratory combi oil boiler view the relevant description will appear on the left, under the heading "TECHNICAL DATA".


Exploratory view of a standard efficiency thermsaver combi oil boiler
Built in Programmer Expansion Vessel Insulation Blanket High Limit Stat Flexible Oil Line Central Heating Flow Safety Relief O/F Domestic Hot Water Cold Mains Supply Return Tapping (Either Side) Automatic Air Vent Safety Relief Valve Pressure Gauge Circulating Pump Thermostatic Mixing Valve (DHW) Diverter Valve Filling Loop Valve and Check Valve Low Pressure Safety Switch Plate Heat Exchanger System Drain Cock Snorkel Tube for Balance Flue Thermal Store Pre-Wired Burner Boiler Control Stat

Please use our Enquiry Form if you have any unanswered questions or for any further information you may require.


Thermsaver offer free delivery anywhere in mainland UKDelivery anywhere on the UK mainland.

thermsaver - the first name in oil fired boilers