bath shower mixer
6
Mains pressurised thermal store systems (g.5)
Packages of this type, tted with a tempering
valve (blender valve) can be used.
An expansion vessel MUST be tted, and
regularly maintained, to ensure, the unit, is
not damaged by excess pressures. This may
already be installed externally or internally within
the thermal store (check with thermal store
manufacturer).
Blender
valve
Flow
Cold mains supply
Hot
water
Stop tap
Expansion
vessel
Pressure
reducing valve
Return
Service
valves
Boiler
Mixer
*Fig.5
*(diagrammatic view – not to scale)