Watts LF15M2-DR User Manual

LF15M2-DR Series

Standards

Water Hammer Arrestor

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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.

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).

B

A

DIMENSIONS

SIZE (DN)

LF15M2-A-DR

LF15M2-B-DR

LF15M2-C-DR

LF15M2-D-DR

LF15M2-E-DR

LF15M2-F-DR

CONNECTION

Threaded

1/2”

3/4”

1”

1”

1”

1”

SIZE (DN)

in.

1 1/8

1 3/8

1 5/8

2 1/8

2 1/8

2 5/8

A

DIMENSIONS

mm

28.5

34.9

41.3

54.0

54.0

66.7

in.

5 15/16

8 9/16

8 13/16

9 15/16

12 11/16

11 5/32

B

mm

150.9

218.0

223.5

252.5

322.5

283.5

PDI SIZE

A

B

C

D

E

F

FIXTURE UNITS

1-11

12-32

33-60

61-113

114-154

155-330

Standard: Listed by IAPMO, ASSE 1010 approved, ANSI
A112.26.1M approved, PDI WH201 approved and certified.

ES-WD-LF15M2-DR Series 1349 LF15M2-DR Series

*The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.