Ask Mylow

Mylow is an AI virtual assistant.

More Information

Is it lead free?Can I install it vertically?What is the maximum pressure?What is the warranty period?What tools are needed for installation?

Watts 3/4-in FNPT x 3/4-in FNPT Bronze Dual check valve

Name: Watts 3/4-in FNPT x 3/4-in FNPT Bronze Dual check valve
Brand: Watts
SKU: 5002734001
Price: 59.99 USD
Availability: InStock
Rating: 5 (7 reviews)

Shop Watts

View Price In Cart

Pickup

Unavailable

Shipping

Tomorrow

98 available

Delivery

Thu, Oct 15

18 available

Check Fee in Cart.

Outside Delivery.

Stepper number input field with increment and decrement buttons

Members save more.

Here are some similar items...

Watts1-in FNPT x 1-in FNPT Brass Dual check valve

Watts1/2 x 1/2-Inch Lead Free Residential Dual Check Valve Backflow Preventer with Union Female NPT Inlet x Female NPT Outlet

RELIABILT3/4-in FIP x 3/4-in FIP Brass Swing check valve

RELIABILT3/4-in PVC x 3/4-in PVC Sch 40 Spring loaded check valve

Watts LF7RU2-2 Lead-Free 1 Dual Check Valve - 1 FNPT

Watts3/4-in FNPT x 3/4-in FNPT Bronze Dual check valve

RELIABILT1-in PVC x 1-in PVC Sch 40 Spring loaded check valve

RELIABILT1-in FNPT x 1-in FNPT PVC Sch 40 Spring loaded check valve

RELIABILT1-1/2-in PVC x 1-1/2-in PVC Sch 40 Spring loaded check valve

SharkBite3/4-in Push-to-connect x 3/4-in Push-to-connect Brass Check valve

Watts3/4-Inch Lead Free Forged Brass Dual Check Valve Backflow Preventer with Intermediate Atmospheric Vent with Female Union Inlet and Outlet Connections

SharkBite1/2-in Push-to-connect x 1/2-in Push-to-connect Brass Check valve

RELIABILT3/4-in FIP x 3/4-in FIP Brass In-line check valve

Zurn Wilkins1-in FNPT x 1-in FNPT Bronze Dual check valve

Watts1-in FNPT x 1-in FNPT Bronze Double check valve

Best Price. Guaranteed

Find a lower price on an exact item? We'll match it. Some exclusions apply.

Price Guarantee

FREE Returns

Return it in store or ship it back for free. Eligibility rules apply.

Return Policy

Pay Your Way

Credit card, PayPal or Buy Now, Pay Later options available at checkout. Your choice.

Payment Options

This 3/4 by 3/4 inch lead free dual check valve prevents the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. This valve consists of a lead free brass body construction, 3/4 inch union female NPT inlet by 3/4 female NPT outlet, two plastic replaceable check valves, and stainless steel springs. It is designed for non-health hazard residential water system containment, continuous pressure applications and is to be installed immediately downstream of the residential water meter, in a vertical or horizontal position. The minimum working pressure is 10 PSI (69 kPa) and maximum working pressure is 175 PSI (12 BAR).

Lead free body for durability
Can be installed vertically or horizontally
Compact design
Meets ANSI/ASSE standard 1024

General
Type	Dual check valve	Material	Bronze
Outlet Thread Type	FNPT	Series Name	LF7R
Inlet Thread Type	FNPT

Dimensions
Inlet Diameter	3/4-in	Outlet Diameter	3/4-in
Inlet Size in Inches	3/4-in

Features
Maximum Pressure	175 PSI

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -	Complies with Federal Lead Guidelines	Yes

Warranty
Warranty	1-year limited

Miscellaneous
UNSPSC	40141600

Check out the Best Selling Check Valves on Lowes.com

Review

5 out of 5

7 Reviews

4 Star

3 Star

2 Star

1 Star

100% Recommend this product

Ratings may include incentivized customer reviews.

7 Customer Reviews

Sort By

Continue selling Watt’s products.

Would Recommend

Brand name product at a reasonable price

Johnny CJune 18, 2026
Verified Purchaser

Was this Review Helpful ?

Good check valve

Would Recommend

Easy to install. Needed a check valve for a water powered sump pump backup. Did the job.

Jg101March 26, 2026
Verified PurchaserIncentivized

Was this Review Helpful ?

Fits well!

Would Recommend

It was plug and play and a lead free option over my older dual check valve.

The one who testsMarch 1, 2026
Verified PurchaserIncentivized

Was this Review Helpful ?

It is required

Would Recommend

Had to have for code. Easy install for our plumber.

MWilson9982December 19, 2022
From 3_SLASH_4-in FNPT x 3_SLASH_4-in FNPT Bronze Dual check valve Verified Purchaser

Was this Review Helpful ?

Watts: Featured Videos

COMPARE PRODUCTS

		Name	Current Item Watts3/4-in FNPT x 3/4-in FNPT Bronze Dual check valve
		Ratings	7
		Material	Bronze
		Inlet Size in Inches	3/4-in
		Outlet Diameter	3/4-in
Watts1/2 x 1/2-Inch Lead Free Residential Dual Check Valve Backflow Preventer with Union Female NPT Inlet x Female NPT Outlet	Watts LF7RU2-2 Lead-Free 1 Dual Check Valve - 1 FNPT	Watts1-in FNPT x 1-in FNPT Brass Dual check valve	Zurn Wilkins1-in FNPT x 1-in FNPT Bronze Dual check valve	Watts3/4-Inch Lead Free Forged Brass Dual Check Valve Backflow Preventer with Intermediate Atmospheric Vent with Female Union Inlet and Outlet Connections	Watts3/4-Inch Bronze Dual Check Valve Backflow Preventer with Intermediate Atmospheric Vent Female Union Inlet and Outlet Connections	Watts3/8-Inch Lead Free Brass Silent Check Valve Viton Disc NPT Female Threaded End Connections	NIBCOLead-Free Bronze Check Valve with 3/4-Inch Threaded Connection	NIBCOT-433-B - Check Valve - Bronze Bronze Disc Threaded Ends
			1
Brass	Brass	Brass	Bronze	Brass	Brass	Brass	Bronze	Bronze
1/2-in	1-in	1-in	1-in	3/4-in	3/4-in	3/8-in	3/4-in	3/4-in
1/2-in	1-in	1-in	1-in	3/4-in	3/4-in	3/8-in	3/4-in	3/4-in