Mira FORM Installation & User Manual page 12

Mains Pressurised Instantaneous Hot Water Shower - The shower installed with
systems of this type is supplied hot water via a tempering valve, this provides relatively
constant hot water and the shower will compensate for temperature changes should
they occur.
Cold Hot
Pumped Shower - The shower can be installed with an inlet pump (twin impeller).
The pump must be installed on the floor next to the hot water cylinder. Ensure hot
cylinder vent pipe is arranged as shown to enable air separation.
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