172-65122MA-04 (L BD2) 9 Mar 2017
14
3. Close the BD2 valve until the flow of fluid completely stops. If the flow of fluid does
not stop, re-open the BD2 valve (as in step “2”) to blow out any scale or dirt that
may be caught in the BD2. Re-tighten the BD2 valve until the flow of fluid stops
completely.
Tightening Torques and Distance Across Flats
Part
Torque
Distance Across
Flats
N·m
(lbf·ft)
mm
(in)
BD2 Valve
30
(22)
17
(
21
/
32
)
BD2 Valve Seat (Screen Holder)
60
(44)
22
(
7
/
8
)
NOTE: Avoid the use of excessive tightening torques,
as threaded parts may become damaged.
(1 N
⋅
m
≈
10 kg
⋅
cm)
With Automatic Non-freeze Valve (TLV NF6)
Valve Seat with 1 mm (0.04 in) drain hole
The valve seat has a 1 mm (0.04 in) drain hole to ensure no condensate remains in the
trap after operation.
NOTE: Option for L21S/L32S only. Not available for L21SC/L32SC.
1 mm
(0.04 in)
