Hydraulic schematic drawings
To help with commercial heating system design, Hamworthy provide hydraulic schematic drawings.
View and download pre-defined hydraulic schematics for condensing boiler systems. There are hydraulic schematic drawings listed for most of our products including; Purewell VariHeat cast iron boilers, Wessex ModuMax condensing boilers and solar hot water systems.
You can use the search box to find hydraulic schematic drawings by product name and type.
- Title
- Short Description
- Type
- Size

A Heat pump - one buffer tank & one central heating circuit (constant temperature)
A Heat pump - one buffer tank & one central heating circuit (constant temperature)

B Heat pump - one buffer tank & one central heating circuit (constant temperature), managed by LPB bus or 0-10v signal
B Heat pump - one buffer tank & one central heating circuit (constant temperature), managed by LPB bus or 0-10v signal

C Heat pump - one buffer tank & up to 3 central heating circuits with mixer valve & circuit sensor (variable temperature)
C Heat pump - one buffer tank & up to 3 central heating circuits with mixer valve & circuit sensor (variable temperature)

D Heat pump - cascade one buffer tank & 1 central heating circuits with mixer valve & circuit sensor (regulated temperature)
D Heat pump - cascade one buffer tank & 1 central heating circuits with mixer valve & circuit sensor (regulated temperature)

Dorchester DR-CC water heater hydraulic schemes
Dorchester DR-CC water heater hydraulic schemes, schematics

Dorchester DR-FC Evo hydraulic schemes
Hydraulic schematic drawing, hydraulic schematics

E Heat pump - one buffer tank & one central heating circuit with one boiler in hybrid set up
E Heat pump - one buffer tank & one central heating circuit with one boiler in hybrid set up

Purewell Variheat mk2 boiler hydraulic schemes
Purewell Variheat mk2 boiler hydraulic schemes, schematics


Trigon Scheme B low volume DHW dual collector with 1 calorifier aux. boiler and advanced transfer station
Trigon schematics, hydraulic schematic drawing, hydraulic schematics