Specifications installation – Xylem MM 251C Series 750B-C3 Chamber with 3 Probes Series 750B-C4 Chamber with 4 Probes User Manual
Page 2
2
4-3/16"
(106.4)
4-3/8"
(111)
A
B
C
D
2-1/2"
(63.5)
3-1/4"
(82.5)
3-1/4"
(82.5)
3-1/8"
(79.4)
1" NPT
11-1/2"
(292)
18-5/8"
(473)
1/2" NPT
1/2" NPT
1/2" NPT
CONDUIT
CONNECTION
1"
NPT
1" NPT
1/2" NPT
ELECTRODE
PRE-CUT
9" PROBE ROD
CUT AS
NEEDED
SPECIFICATIONS
INSTALLATION –
TOOLS NEEDED:
One (1) pipe wrench, one (1) flathead screwdriver and/or 11/32" nut driver,
one (1) metal-cutting saw, and pipe sealing compound.
Maximum Water Temperature: 406˚F (208˚C)
Maximum Water Pressure: 250 psi (17.6 kg/cm
2
)
Maximum Steam Pressure: 250 psi (17.6 kg/cm
2
)
C3
C4
No. of
3
4
Probes
A
X
X
B
X
X
C
X
X
D
X
All probes are cut to 9" length (229mm). Any of these probes can
be used as the low water cut-off level probe. The remaining
probes can be ‘cut to length’ in the field using a metal cutting saw
to achieve desired pump control or additional alarm activation.