TRV28RFM-3 Installation
There is no need for
a metal washer
for the Comap
M28 valve.
Before installing the unit make sure you
have added the metal washer on MMA
or Herz M28 valves.
Herz valve
Comap valve
MMA valve
Metal washer
08
TRV10RFM-3 and TRV28RFM-3 Instruction Manual