C
E
- S
- s
- S
- S
- E
p
- C
  - C
  - C
- s
- S
- C
- A
- V
- v
- V
- V
- O
N
- N
- N
S
- T
- D
C

XFNT-3

E
V

V

<V, U, C,S<

P

floor heating four way mixing valve — V
L

XF20136B — C

XF20005B Brass manifold with flow meter drain valve and ball valve — C

Vent valve XF85691 — v

Heating valve XF60228 — V

valve class XF83504A-b — v

XF90339 Brass safety valve — V

COMMUNICATION

L

V
V
V
V
C
V
C
v
V
V
C
S

B
V
R

P

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<

<
T

<
R

<
L

C
C

Y

V

c2
E
M2
E
d2
U
T2
E
E2
L
B2
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b

V
V
V
A
V
V
V
V
V
V
S

E

S
E
s
S
S

p

C
s
S
C
A
V
v
V
V

I

N
N

C

C
0
T
i

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