STW/VFG(S) 2, STW/AFT/VFG(S) 2
The controllers STFW/VFG(S) 2 and STFW/AFT/VFG 2 are used for temperature control and temperature monitoring of drinking water and heating systems. • Type-tested acc. to EN 14597-2015 • District heating systems acc. to DIN 4747 • Heating systems acc. to DIN 4751 and DIN 4752 • Water heating systems for drinking and industrial waters acc. to DIN 4753