H
S
- V
- C
- H
- S
- E
P
- V
  - M
  - R
- M
- L
- K
- P
- R
- v
- T
- V
- a
N
- b
- N
O
- F
- O
N

XFNT-3

B
M

M

<G, S, A,M<

g

XF20005 — M
L

Vent valve XF85829 — m

XF90333F Brass Boiler valve — M

Brass ball valveXF83512D-A B — K

Vent valve XF90970 — M

Temperature control valve_XF50650B — T

Thermostatic control valve XF50402 — T

COMMUNICATION

B

F
M
R
T
M
M
M
M
M
M
M
H

G
G
B

D

E
<

H
D

<
A

<
V

<
D

<

M

E2
D
J2
E
B2
W
M2
<
M2
O
M2
W

g

M
M
V
M
M
R
A
A
W
1
M

S

S
E
C
H
V

P

V
M
L
K
P
R
v
T
V

I

b
N

N

Z
0
M
i

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D