Tre Mercati offer one of the most comprehensive choices of Shower Valves, Shower Heads and Kits on the market. Manufactured to the highest standard and backed by Tre Mercati's well renowned commitment to service and satisfaction, we are sure that you will find the mixer that you have been looking for.

Shower Valves - Comparison Chart
  Derby Victoria Siena Anzio Lever
Operation Manual Ceramic Disc Manual Ceramic Disc Manual Ceramic Disc Manual Ceramic Disc
Connections
Inlet
Outlet 		 
½" BSP
½" BSP		  
½" BSP
½" BSP		  
½" BSP
½" BSP		  
½" BSP
½" BSP
Pressure Drop (Bars)
Flow Rate (Ltr Per Min)
0.1 0.6 2.0
5.2 13.2 24
0.1 0.6 2.0
5.2 13.2 24
0.1 0.6 2.0
5.2 13.2 24
0.1 0.6 2.0
2.5 6.7 12.1
Plumbing System Equal Pressure Equal Pressure Equal Pressure Equal Pressure
Suitable for:
Combination Boiler
Unequal Pressure
Hot/Cold Gravity Fed
Pumped Systems		  
Yes
No
Yes
Yes		  
Yes
No
Yes
Yes		  
Yes
No
Yes
Yes		  
Yes
No
No
Yes
Temperature Range
Thermo. Control		  
n/a		  
n/a		  
n/a		  
n/a
Installation
Surface
Concealed 		 
Yes
Yes		  
Yes
Yes		  
Yes
No		  
No
Yes
  Elite Imperial
Exposed		 Imperial
Concealed		 San Marco
Operation Sequential Control Thermostatic Sequential Control Thermostatic Sequential Control Thermostatic Sequential Control Thermostatic
Connections
Inlet
Outlet 		 
½" BSP
½" BSP		  
½" BSP
½" BSP		  
½" BSP
½" BSP		  
½" BSP
½" BSP
Pressure Drop (Bars)
Flow Rate (Ltr Per Min)
0.1 0.6 2.0
8 19.3 35.4
0.1 0.6 2.0
7 17.2 30
0.1 0.6 2.0
8 22 42
0.1 0.6 2.0
10.5 25 46
Plumbing System High Performance /most systems High Performance /most systems High Performance /most systems High Performance /most systems
Suitable for:
Combination Boiler
Unequal Pressure
Hot/Cold Gravity Fed
Pumped Systems		  
Yes
Yes
Yes
Yes		  
Yes
Yes
Yes
Yes		  
Yes
Yes
Yes
Yes		  
Yes
Yes
Yes
Yes
Temperature Range
Thermo. Control		  
60ºc - 90ºc		 Pre-Set 43ºc
15ºc - 50ºc		 Pre-Set 43ºc
15ºc - 50ºc		 Pre-Set 43ºc
15ºc - 50ºc
Installation
Surface
Concealed 		 
Yes
Yes		  
Yes
----		  
----
Yes		  
Yes
Yes
  Topaz Arona Roma Bath Filler
Operation Dual Control Thermostatic Dual Control Thermostatic Dual Control Thermostatic Dual Sequential Control Thermostatic
Connections
Inlet
Outlet 		 
½" BSP
½" BSP		  
¾" BSP
¾" BSP		  
¾" BSP
½" BSP		  
¾" BSP
½" BSP
Pressure Drop (Bars)
Flow Rate (Ltr Per Min)
0.1 0.6 2.0
10.5 25 46
0.1 0.6 2.0
11 23 43
0.1 0.6 2.0
7.9 19.9 35.5
0.1 0.6 2.0
8 21 40
Plumbing System High Performance /most systems High Performance /most systems Most Systems - Equal Pressure Most Systems
Suitable for:
Combination Boiler
Unequal Pressure
Hot/Cold Gravity Fed
Pumped Systems		  
Yes
Yes
Yes
Yes		  
Yes
Yes
Yes
Yes		  
Yes
No
Yes
Yes		  
Yes
Yes
Yes
Yes
Temperature Range
Thermo. Control		 Pre-Set 43ºc
15ºc - 50ºc		 n/a
15ºc - 65ºc		 Pre-Set 38ºc
65ºc		 Pre-Set 43ºc
15ºc - 50ºc
Installation
Surface
Concealed
Bath Mounted		  
Yes
Yes
n/a 		 
Yes
Yes
Yes 		 
Yes
Yes
n/a 		 
n/a
n/a
Yes

Tre Mercati - Unit 1-2 Osborne Trading Estate, Busk Road, Oldham, OL9 6QZ
Tel: 0161 620 1212 Fax: 0161 627 1740