Specifications

PERFECT FOR YOUR CUSTOMERS:
• Providing energy efficient
heating
• A wide range of outputs
to suit different sized
properties
• Compact cupboard fit design
THE
HE A
• A one piece pre-plumbing jig is included as
standard helping you get the pipework in the
right place, first time.
• Electrical connections are housed separately
to the PCB, making the job quick and easy
to finish.
• It’s low in weight, compact and has minimal
installation clearances, and can fit in an
over-the-counter kitchen cupboard.
Easy installation
• All Main Heat Only boilers have a SEDBUK
Band A rating and low Nox emissions.
That’s better for the planet and better for
your customers.
• Built entirely in the UK, using high quality
and well-finished components such as a
Grundfos pump.
• Layout of components allows for straightforward
and speedy servicing and repairs.
• If something does go wrong, though, you can
rest assured that our 2-year parts and labour
warranty
†
is there to back you up.
† See page 27 for more details.
For specifications please see page 11 and for flue options
see page 23.
High efficiency
Low maintenance
Heat Exchanger
Burner
Airbox
Fan Protection
Thermostat
Condensate
Trap
Return Pipe
Connection
(behind)
Flow Pipe
Connection
Wiring Terminal
Gas Valve
(behind)
Fan Assembly
PCB Housing
Flow Switch
Dimensions and minimum clearances
5mm min in operation
500mm for servicing
280mm
390mm
200mm
min
600mm
50mm min
5mm min5mm
min
3° (1 in 20) or
1.5° providing
flue has been
adequately
clamped as
per installation
instructions
8
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