Trisen showers Trisen TSS105 EVERI Thermostatic Shower set £281.60 Trisen TSS106 STERMA Thermostatic Shower with slide rail £315.70 Trisen TSS107 ASPIRE Thermostatic Shower with fixed riser £380.16 Trisen TSV101 FORMBY Thermostatic Shower £185.90 Trisen TSV102 FORMBY Thermostatic Shower £185.90