Grohe Grohtherm 1000 showers & mixers
Only while stock lasts - now discontinued
Best value Grohe thermostats, same quality as more expensive styles.
Grohtherm 1000 controls are suitable for high pressure water systems only (minimum recommended pressure 1.0 bar). This would include;
pumped systems
unvented systems (like Megaflow), and
most modern combi-boilers