The Watts LFRK 709-CK4 4 is a genuine lead-free first or second check kit for 4" LF709 / 709 double check valve assemblies. This model is certified lead-free for potable-water installations.
This first or second check valve kit provides all the parts necessary to repair or replace the first or second check valve on a 4 inch lead free double check valve assembly backflow preventer, model LF709. This kit consists of a disc and spring assembly, cover O-ring, upper stem O-ring, and lower stem O-ring.
Features
- Factory replacement kit
- No special tools required for servicing
- All parts are made of high quality materials
- Fits 4" double check valve assembly
Common Questions
- Will this kit fit my valve?
- The LFRK 709-CK4 4 fits the 4" size of Watts series LF709 / 709. Kits are size- and series-specific, so match the model stamped on your valve body or cover before ordering.
- What's included in this kit?
- This is a first or second check kit. Kit consists of: a disc and spring assembly, cover O-ring, upper stem O-ring, and lower stem O-ring.
- Are these genuine Watts parts?
- Yes. This is the factory LFRK 709-CK4 4 kit built with genuine Watts OEM components. Aftermarket parts can void your assembly approval and are commonly rejected by inspectors at annual test time.
- Which kit do I need if my relief valve failed the test?
- Not this one — this kit services the check valve. A failed relief valve needs the RV (rubber parts) or VT (total relief valve) kit for LF709 / 709 in your size; a total repair (T) kit covers the relief valve and both checks.
Specifications
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Type: Double Check
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Country of Origin: United States
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Warranty: 1 Year Limited
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MPN: LFRK 709-CK4 4
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Lead-Free: Yes
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Product Role: repair_kit
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Kit Type: First or Second Check Kit
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Fits Brand: Watts
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Fits Valve Series: LF709;709
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Fits Valve Size: 4"
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Used With: 4" LF709;4" 709
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Kit Contents: Kit consists of: a disc and spring assembly, cover O-ring, upper stem O-ring, and lower stem O-ring.
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Watts Ordering Code: 0794015
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Genuine OEM Parts: Yes
