172-65254MA-04 (A-COS-10) 22 Apr 2020
11
11. Accessories
Always install a shut-off valve, pressure gauge and bypass lines at both inlet and
outlet.
Ball valves, which will not retain condensate, are recommended for inlet and
outlet shut-off valves. The bypass pipe should be at least
1
/
2
of the size of the
inlet (primary side) pipe.
Bypass Valve
Ball Valve
Ball Valve
A-COS
Safety Valve
(Relief Valve)
Pressure Gauge
Pressure Gauge
A-COS
Pressure
Gauge