Watts LF15M2-DR Series User Manual
Water hammer arrestor lf15m2-dr series
ES-WD-LF15M2-DR Series 1349 LF15M2-DR Series
Tag:
SPECIFICATION:
Watts Drainage LF15M2-DR Series lead free* pre-charged copper water hammer arrestor with
polypropylene piston, EPDM o-ring seal, and brass NPT threaded connection.
Water Hammer Arrestor
LF15M2-DR Series
OPERATING PRESSURE:
Designed to operate on all domestic and commerical lines up to 150psi (10.6 bar) working pressure.
TEMPERATURE RANGE:
33ºF to 180ºF (0.5ºC to 82ºC).
Standard: Listed by IAPMO, ASSE 1010 approved, ANSI
A112.26.1M approved, PDI WH201 approved and certified.
Standards
*The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.
SIZE (DN)
DIMENSIONS
A
B
Threaded
LF15M2-A-DR
LF15M2-B-DR
LF15M2-C-DR
LF15M2-D-DR
LF15M2-E-DR
LF15M2-F-DR
1 1/8
1 3/8
1 5/8
2 1/8
2 1/8
2 5/8
28.5
34.9
41.3
54.0
54.0
66.7
5 15/16
8 9/16
8 13/16
9 15/16
12 11/16
11 5/32
150.9
218.0
223.5
252.5
322.5
283.5
1-11
12-32
33-60
61-113
114-154
155-330
A
B
C
D
E
F
1/2”
3/4”
1”
1”
1”
1”
in.
mm
in.
mm
A
B
SIZE (DN)
DIMENSIONS
PDI SIZE
FIXTURE UNITS
CONNECTION