Watts LFP3 User Manual download pdf

Multi-Orifice cylinder

adjusts to

3, 3

⁄2 or 4 gpm.

Dimensions

Model Size diMenSionS Weight

A B C

LFP3

⁄2" 1

⁄8"

⁄2" 2" 6 ozs.

For Commercial and Residential Flow

ES-LFP3

LEAD FREE

Job Name

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Contractor

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Job Location

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Approval

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Engineer

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Contractor’s P.O. No.

––––––––––––––––––––––––––––––––––

Approval

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Representative

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*The wetted surface of this product contacted by consumable

water contains less than 0.25% of lead by weight.

Watts LFP3

Multi-Orifice Flow Control for

Tankless Heaters

Adjusts to: 3, 3

⁄2 or 4 gpm

Watts No. LFP3 Flow Control valve is designed to limit the flow of

water to equipment and is used for tankless heater installations. It

features a multi-orifice design which lets you select a flow of 3, 31⁄2

or 4 gpm, simply and quickly, by turning the cap to the desired set-

ting. If a different setting is desired, simply move the adjusting cap to

the desired setting, locating this over the matching line on the body.

Capacity

Watts No. LFP3 Flow Control is designed to give the rated capac-

ity in gallons per minute as numbered on the adjustment cap at 50

psig supply pressure. For other pressures, refer to the Flow Table

for corresponding adjustment setting. It is recommended that supply

pressure be determined with a gauge to assure accurate flow. For

example, 80 psi supply pressure results in the following:

AdjuStMent

Setting no.

FloW gPM

3 3.8

⁄2 4.4

5.1

WATTS No. P3 No. Andover, MA

⁄

3 3

⁄

G.P.M.

50 P.S.I.

▼

Vertical marker line just to left of 3 gpm marker line signifies

minimum adjustable volume (approx. 21⁄2 gpm) when supply

pressures exceed 50 psi.

Flow Table (gpm)

SuPPly

PreSSure PSi

AdjuStMent Setting no.

3 3

⁄2 4

30 2.3 2.7 3.1

40 2.7 3.1 3.6

*50 3 3.5 4

60 3.3 3.8 4.4

70 3.5 4.1 4.7

80 3.8 4.4 5.1

90 4 4.7 5.3

100 4.2 4.9 5.6

110 4.5 5.2 5.9

120 4.6 5.4 6.2

130 4.8 5.6 6.4

140 5 5.8 6.7

150 5.2 6.1 6.9

*Adjustment Cap Settings

USA: Tel: (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com

Canada: Tel: (905) 332-4090 • Fax: (905) 332-7068 • www.watts.ca

Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts

reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications

on Watts products previously or subsequently sold.

A Watts Water Technologies Company

Watts LFP3

Hot

Watts No. LF174A

Hot Water

Boiler

Hot to

Appliances

Tempered

Watts

LF1170

Tempering

Valve

Cold

Watts LF3L

Pressure

Relief

Tankless Heater

LEAD FREE 1
Watts LFP3 1

Summary of Contents

Page 1 - Watts LFP3

Multi-Orifice cylinder adjusts to 3, 31⁄2 or 4 gpm.DimensionsModel Size diMenSionS WeightA B CLFP31⁄2" 15⁄8"1⁄2" 2" 6 ozs.For Com

Watts LFP3 User Manual

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