The FIRŠT FMV 131E, 132E and 133E are compact brass valves for use in small
and medium sized heating and cooling installations.
FIRŠT rotary mixing valves are designed for use:
within commercial & domestic heating systems e.g. radiator, underfloor, radiant panel,
mixing circuits, plant room, heat pumps, HVAC systems and in solar heating systems...
Three types of connections are available: