12
3. Mains pressurised instantaneous hot water shower, heated from a thermal
store.
Packages of this type, fitted with a tempering valve can be used.
A drop tight pressure reducing valve MUST be fitted if the supply pressures
exceed 5 bar maintained.
An expansion vessel MUST be fitted (and regularly maintained) if any form of
backflow prevention device is fitted, e.g. non-return valve, PRV. This will ensure
that excess expansion or pulse pressures do not damage the product or the
plumbing system. The expansion vessel may already be fitted externally or
internally within the thermal store (check with thermal store manufacturer).
COLD HOT
4. Pumped showers (inlet pumps)
The shower can be installed with an inlet pump (twin impeller). The pump MUST
be located on the floor next to the hot water cylinder. The hot water cylinder/vent
pipes must be arranged as shown to achieve air separation.
90°
30° to 60°
Air Separation
For latest prices and delivery to your door visit MyTub Ltd 0845 303 8383 www.mytub.co.uk
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