Watts LFH7C User Manual

IS-3⁄8"-7

⁄8" 7/LF7, 7C/LF7C and

⁄4" H7, H7C

Dual Check Valves

Installation Instructions Applications

Series 3⁄8" 7 or LF7 is especially recommended for shampoo sink or similar applications requiring

It is also suited for other continuous or intermittent pressure type installations where water distribution piping flows to potentially contaminated containers, equipment or sinks. In the event of negative supply pressures, such contaminated fluids must not be allowed to backflow to the potable water supply source by backsiphonage or other cause.

Installation

Before installing, flush out pipe lines to remove scale and other foreign matter. The valve can be installed horizontally or vertically. Install the valve in the line with the arrow on valve body pointing in the direction of flow. Teflon for the pipe threads. To maintain the valve discs in a clean operating condition, we strongly recommend a pipe line strainer (Watts model 27) be installed in the supply line before the Series

⁄8" female connection for convenient attachment.

tape is recommended

⁄8" 7.

Maintenance

Annual inspection is required, since cleaning and checking of all water system safety and control valves assures maximum life and proper product function.

For technical assistance contact your local authorized Watts agent.

Installation (Examples only)

Note: In those areas where these types of installations are approved, it is subject to the approval of the local or state code inspection authority.

OPEN END, only outlet on fixture.

Hot

Watts 27

Drain

Cold

Watts 27

⁄8" Mixed

Water Line

Watts

⁄8" 7

Temperature and Pressure

Maximum Pressure - 150psi (10.3 bar) Minimum Pressure - 10psi (69 kPa) Working Temperature - 33°F – 180°F (0.5°C – 132°C) Maximum Recommended Flow - 10 gpm

⁄8" 7/LF7, 3⁄4" H7 Total Repair Kit

ORDERING CODE KIT NO. SIzE

0886009 RK7/7C T 3⁄8" (10mm)

⁄4" H7, H7C

Kit consists of: First & second check, Tailpiece O-ring, Adapter O-ring and Body O-ring.

Important: For maintenance accessibility, these devices must not be installed inside a wall or any concealed location.

Teflon® is a registered trademark of the E.I. Dupont de Nemours & Company, Incorporated.

Hose Conversion Kit

Converting 3⁄8" 7, 7C Dual Check Valve to a hose connection Check Valve for washing machines

ORDERING CODE KIT NO.

0061930 HK7

Kit consists of: Tailpiece and Union Nut.

⁄4" H7, H7C Dual

Limited Warranty: Watts Regulator Co. (the “Company”) warrants each product to be free from defects in material and workmanship under normal usage for a period of one year from the date of original shipment. In the event of such defects within the warranty period, the Company will, at its option, replace or recondition the product without charge.

THE WARRANTY SET FORTH HEREIN IS GIVEN EXPRESSLY AND IS THE ONLY WARRANTY GIVEN BY THE COMPANY WITH RESPECT TO THE PRODUCT. THE COMPANY MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED. THE COMPANY HEREBY SPECIFICALLY DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

The remedy described in the first paragraph of this warranty shall constitute the sole and exclusive remedy for breach of warranty, and the Company shall not be responsible for any incidental, special or consequential damages, including without limitation, lost profits or the cost of repairing or replacing other property which is damaged if this product does not work properly, other costs resulting from labor charges, delays, vandalism, negligence, fouling caused by foreign material, damage from adverse water conditions, chemical, or any other circumstances over which the Company has no control. This warranty shall be invalidated by any abuse, misuse, misapplication, improper installation or improper maintenance or alteration of the product. Some States do not allow limitations on how long an implied warranty lasts, and some States do not allow the exclusion or limitation of incidental or consequential damages. Therefore the above limitations may not apply to you. This Limited Warranty gives you specific legal rights, and you may have other rights that vary from State to State. You should consult applicable state laws to determine your rights. SO FAR AS IS CONSISTENT WITH APPLICABLE STATE LAW, ANY IMPLIED

WARRANTIES THAT MAY NOT BE DISCLAIMED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO ONE YEAR FROM THE DATE OF ORIGINAL SHIPMENT.

A Watts Water Technologies Company

USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com

Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca

IS-

Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca

USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com

A Watts Water Technologies Company

Teflon

is a registered trademark of the E.I. Dupont de Nemours & Company, Incorporated.

SHIPMENT. FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO ONE YEAR FROM THE DATE OF ORIGINAL WARRANTIES THAT MAY NOT BE DISCLAIMED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND

applicable state laws to determine your rights. SO FAR AS IS CONSISTENT WITH APPLICABLE STATE LAW, ANY IMPLIED Warranty gives you specific legal rights, and you may have other rights that vary from State to State. You should consult or limitation of incidental or consequential damages. Therefore the above limitations may not apply to you. This Limited Some States do not allow limitations on how long an implied warranty lasts, and some States do not allow the exclusion alteration of the product. This warranty shall be invalidated by any abuse, misuse, misapplication, improper installation or improper maintenance or damage from adverse water conditions, chemical, or any other circumstances over which the Company has no control. work properly, other costs resulting from labor charges, delays, vandalism, negligence, fouling caused by foreign material, without limitation, lost profits or the cost of repairing or replacing other property which is damaged if this product does not of warranty, and the Company shall not be responsible for any incidental, special or consequential damages, including The remedy described in the first paragraph of this warranty shall constitute the sole and exclusive remedy for breach

LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. COMPANY HEREBY SPECIFICALLY DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT WITH RESPECT TO THE PRODUCT. THE COMPANY MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED. THE THE WARRANTY SET FORTH HEREIN IS GIVEN EXPRESSLY AND IS THE ONLY WARRANTY GIVEN BY THE COMPANY

within the warranty period, the Company will, at its option, replace or recondition the product without charge. workmanship under normal usage for a period of one year from the date of original shipment. In the event of such defects Limited Warranty: Watts Regulator Co. (the “Company”) warrants each product to be free from defects in material and

Kit consists of: Tailpiece and Union Nut.

0061930 HK7

ORDERING CODE KIT NO.

⁄4" H7, H7C

⁄4" H7, H7C Dual

⁄8" 7, 7C Dual Check Valve

to a hose connection Converting

Hose Conversion Kit

Check Valve for washing machines

⁄4" H7 Total Repair Kit

inside a wall or any concealed location. Important: For maintenance accessibility, these devices must not be installed

O-ring. Tailpiece O-ring, Adapter O-ring and Body Kit consists of: First & second check,

0886009 RK7/7C T 3⁄8" (10mm)

ORDERING CODE KIT NO. SIzE

⁄8" 7/LF7,

Maximum Recommended Flow - 10 gpm Working Temperature - 33°F – 180°F (0.5°C – 132°C) Minimum Pressure - 10psi (69 kPa) Maximum Pressure - 150psi (10.3 bar)

Temperature and Pressure

tape is recommended

⁄8" 7.

line before the Series strongly recommend a pipe line strainer (Watts model 27) be installed in the supply for the pipe threads. To maintain the valve discs in a clean operating condition, we arrow on valve body pointing in the direction of flow. Teflon valve can be installed horizontally or vertically. Install the valve in the line with the Before installing, flush out pipe lines to remove scale and other foreign matter. The

Installation

Watts 27

Watts

⁄8" 7

Drain

Watts 27

backsiphonage or other cause. fluids must not be allowed to backflow to the potable water supply source by equipment or sinks. In the event of negative supply pressures, such contaminated where water distribution piping flows to potentially contaminated containers, It is also suited for other continuous or intermittent pressure type installations

Water Line

⁄8" Mixed

Cold

Hot

outlet on fixture. OPEN END, only

⁄8" female connection for convenient attachment.

cations requiring Series

⁄8" 7 or LF7 is especially recommended for shampoo sink or similar appli-

Applications Installation Instructions

to the approval of the local or state code inspection authority. Note: In those areas where these types of installations are approved, it is subject

Installation (Examples only)

Dual Check Valves

⁄4" H7, H7C

For technical assistance contact your local authorized Watts agent.

safety and control valves assures maximum life and proper product function. Annual inspection is required, since cleaning and checking of all water system

⁄8" 7/LF7, 7C/LF7C and

Maintenance

IS-

⁄8"-7