hi i have fitted shower pump salamander esp75,tanks in roof ,cyclinder on floor near pump .no gas boiler so heating up cylinder with 2 imersion heaters.worked fine but cutting out on temp to the pump(doesnt like 65 degrees)turned the heaters right down but think will still be too hot.salamander do a mixer to drop temp to 55-60 but imagine its a bit steep is there any way i can control imersions with a cyclinder stat.money not really a problem for mixer just curious cheers daz