2-Way solar pump unit with air vent. Up to 38 l/min.
The unit with 1” (180 mm) solar circulating pump, fully assembled and tested, consists of:

RETURN:
Flowmeter with flow regulation with filling and draining valves.
Synchronous solar high efficiency circulating pump with cables.
Flanged 3-way ball valve with non return valve 10 mbar (which can be excluded by rotating the handle by 45°) supplied with in-handle thermometer (coded blue, range 0°C-120°C).
Security unit 6 bar with manometer ø50 mm 0-10 bar with 3/4” Male connection to the expansion vessel. End of drain side: 3/4” F.
SUPPLY:
Flanged ball valve with non return valve 10 mbar (which can be excluded by rotating the handle by 45°) supplied with in-handle thermometer (coded red, range 0°C-120°C).
Air vent provided with manual vent valve.
Pipe with end connection.
Centre distance 125 mm. EPP insulation box (Measurements: 277x425x150).
A special back plate fixes the unit to the insulation box and it allows a quick fitting to the wall or to the solar cylinder.
PN 10. Constant temperature 120°C; (short time temperature: 160°C for 20 s).
External connections: 22 mm compression, 3/4” Male or 1” Male.

Code 22 mm: 322651AR-xx-(YST7/YST8/US75)8
Code 3/4” Male: 303651AR-xx-(YST7/YST8/US75)
Code 1” Male: 304651AR-xx-(YST7/YST8/US75)
Code composition: the suffix “xx” shows the flow, followed
by the circulating pump (f.i. 322651AR-12-YST7).