Control box parts list ST 550, ST 700, ST 800
No.
Art. no.
Description
2
69 50 43 Filter cap gasket ST
3
69 02 50 Packing, o-ring
4
69 70 98 Circulation valve splint
6
Special order
Flat head screw, cross slot
7
Special order
Hexagonal slotted screw
11
69 40 30 Pressure regulator button
12
Hexagon head screw, flat head
Special order
15
Filter housing
Special order
16
69 50 44 Device filter 60M ST
550/700/800/900
17
69 50 46 Device filter sealing cap, incl.
18
18
69 50 47 Filter core ST
550/700/800/900
19
Bushing, motor wire
Special order
20
Grommet, transducer
Special order
24
Device filter hose coupling,
Special order
(1/4 NPSM x 1/4 NPT)
Original instruction
Qty.
No.
Art. no.
1
27
69 70 99 Circulation valve handle
1
30
69 50 48 Boot, toggle
1
35
69 50 49 Circulation valve
6
36
69 70 97 Circulation valve cap
1
37
69 50 51 Potentiometer
1
38
69 40 20 Transducer, pressure control,
4
47
Special order
1
48
Special order
1
Special order
1
49
69 50 52 Control board ST 550
1
69 50 53 Control board ST 700/800
1
50
69 50 54 Digital display 550/700/800,
1
56
69 50 91 Electric power cord
4
58
69 50 56 On/off switch
101
69 50 57 O-ring potentiometer
232
Description
includes 3
Hexagon head screw, flat head
Pressure regulator housing ST
550
Pressure regulator housing ST
700/800
includes 51, 52
Qty.
1
1
1
1
1
1
4
1
1
1
1
2
1
1
1