Mira Element Thermostatic Shower

Mira Element Description

Bringing both thermostatic temperature and flow control onto one simple dial, Mira Element makes showering wonderfully simple. Compatible with all pressure systems, Mira Element's free flowing valve creates a truly invigorating performance.

Thermostatic safety - protection for the family
Maximum temperature stop for safe showering
4 mode, style matched handset
Simple to use single control operation
Operates on all plumbing systems
Accepts falling, rising and rear supplies
Simple maintenance, with easy access to filters, flow and temperature cartridge
Excellent spares service, with best in class after sales service
TMV2 approved for enhanced safety

Plumbing System Compatibility

Fully modulating combi boilers and instantaneous gas water heaters
Gravity-fed hot and cold water supply
Gravity-fed hot and cold pumped water supply
Mains pressure hot and cold - unvented
Mains pressure thermal store

Mira Element Product Range

Mira Element EV

Surface mounted shower control with adjustable spray showerhead with four different spray actions, hose, clamp bracket, slide bar, hose retaining ring and additional high capacity spray plate.

Mira Element BIV

Built in shower control with fixed showerhead with a single spray action

Mira Element

Surface Mounted shower control

Mira Element B

Built-in shower control for connection to concealed pipework and including right-angle hose connector

Principle of Operation

This fully thermostatic shower control turns flow on / off and mixes hot and cold water to the desired showering temperature. It automatically compensates for variation in both the temperature and pressure of the inlet water supplies to maintain the blend temperature. If either supply fails, the shower control will automatically shut down to prevent scalding.

Limitations of Use

The Mira Element should not be used for applications where an outlet flow control forms part of the shower fitting.

Temperature

Maximum inlet hot water temperature: 85^oC for short periods (BS6700 recommends a maximum of 65^oC)
Minimum temperature differential between blend and hot : 12^oC
Hot and cold supplies to be at a nominally equal pressure
Maximum pressure imbalance 5:1

Pressure (inlet supplies)

Minimum pressure : 0.1 bar (1m to showerhead)
Maximum maintained pressure : 5.0 bar
Maximum static pressure : 10.0 bar

Performance

The specification performance outlined below is achieved with inlet water supply temperatures of 15^oC cold and 65^oC hot, and nominally equal inlet supply pressures:

Temperature selectable range : full cold to preset maximum (factory set is 43^oC)
Thermostatic temperature control is achieved in the range 35^oC and 45^oC
The blended water temperature is maintained within 2^oC with a 10^oC change in either the hot or cold supply temperatures
Shutdown in typically two seconds if either the hot or cold supply fails provided the hot supply is more than 12^oC above the blend temperature.
The blended water is maintained within a 2^oC range, when the pressure of either supply is reduced by 50%
For high pressure supplies a flow regulator (supplied) should be fitted to the outlet

Accessories

Optional DCV-H: outlet double check valve for use with pressure above 0.2 bar is available, providing an alternative method of complying with Water Regulations

Guarantee

Guaranteed for five years from date of purchase against faulty materials or workmanship.

Application

The Mira Element is suitable for installation as part of the following plumbing systems:

Gravity fed
Fully modulating instantaneous gas heated*
Mains pressurised (heated from a thermal store)*
Unvented mains pressure*
Pumped*

*When the Mira Element is used with mains pressure appliances at pressures above 5.0 bar maintained, a drop tight pressure reducing valve must be installed to maintain performance.

Installation

The plumbing installation must comply with the requirements of UK Water Regulations / Bylaws (Scotland), Building Regulations or any particular regulations and practices specified by the local water company or water undertakers.

The installation should be carried out by a plumber or contractor who is registered or is a member of an association.

Protect the product from damage whilst making soldered connections. Some fluxes may cause damage to plastic components.

Mira Element Surface Mounted (Shower Control only)

Inlet elbows accept falling, rising or rear entry supplies
Inlet connections : 15mm compression
Outlet connections : 1/2" BSP flat face
Reversed inlet supplies supported
Alternative top or bottom outlet supported

Mira Element Built-In (shower control only)

Inlet connections : 15mm compression
Outlet connection : 15mm compression
Mounting bracket for thin panel thicknesses between 4-21mm, or solid, dry lined or stud partition walls
Rising and falling inlet supplies go directly into the shower control without the need for additional elbows
Right angle hose connector
Built in shroud for product protection during plastering
Reversed inlet connections supported
Alternative top or bottom outlet supported

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