C
s
- V
- S
- S
- S
- S
P
- C
  - C
  - C
- S
- C
- C
- A
- V
- v
- V
- V
- A
N
- N
- N
C
- G
- S
C

XFNT-3

I
V

C

IV, S, S,V<

p

Heating valve XF60611 A — V
P

XF60619A Brass radiator valve — V

Heating valve XF60258A — V

Brass radiator valve — V

XF60660 — V

XF60613G Brass radiator valve — V

XF60200D Brass radiator valve — V

REFRACTION

I

R
R
C
V
V
C
V
C
V
V
P
C

B
V
R

Q

.
E

C
Q

<
I

I
Q

<
C

Q

C

S2
I
B1
<
C2
L
D2
I
E2
I
M2
I

r

V
V
V
V
S
A
V
V
V
V
V

s

S
S
S
S
V

P

C
S
C
C
A
V
v
V
V

I

N
N

C

Z
0
C
i

©

P