What size wrench is needed ?

An 8”-10” crescent wrench will work.

what is the min psi to open the valve?

Opening pressure is minimal. Any onboard water pump will open the valve.

Will this work on an inlet to the black water tank

The Valterra P23415LF is a one way ½” check valve, which is typically used on RV water heaters so that hot water cannot flow backwards into water pumps. It is not made for use with a black water tank.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Valterra P23415LF 1/2" Lead-Free Check Valve

Valterra P23415LF 1/2" Lead-Free Check Valve

Product ID: 47278659

Details

Brand
Valterra
Color
Brass
Connector Type
Threaded
Exterior Finish
Brass
Item Weight
2.88 ounces
Item dimensions L x W x H
0.31 x 0.15 x

💧100% lead-free for safe freshwater

🔩1/2" MPT threaded connection

🛠️Durable brass build

₩29753

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Keep your flow flawless with Valterra’s lead-free check valve!

TOP RATED RELIABILITY - Join over 1,000 satisfied professionals who rate this valve 4.8 stars for consistent performance.
LEAD FREE FRESHWATER SAFETY - 100% lead-free design guarantees clean, safe water flow—because your health matters.
PRECISION 1 2 MPT THREADED FIT - Seamlessly integrates with standard plumbing setups for hassle-free installation.
BUILT TO LAST WITH PREMIUM BRASS - Engineered for long-term durability and corrosion resistance, ensuring your plumbing stays flawless.
TRUSTED INDUSTRY LEADER SINCE 1981 - Backed by Valterra’s decades of expertise in RV, pool, and plumbing solutions.

The Valterra P23415LF is a 1/2" brass check valve featuring 100% lead-free construction and MPT x MPT threaded connections. Designed for freshwater backflow prevention, it offers durable, corrosion-resistant performance trusted by professionals since 1981. Highly rated with over 1,000 reviews, it’s a reliable choice for plumbing, RV, and pool applications.

Specifications

ASIN	B00HJ6P0Z8
Best Sellers Rank	#33,117 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #38 in Check Valves
Brand Name	Valterra
Color	Brass
Connector Type	Threaded
Customer Reviews	4.8 4.8 out of 5 stars (1,034)
Exterior Finish	Brass
Global Trade Identification Number	00019079244154
Included Components	Valterra P23415LF Brass 1/2" Check Valve - MPT x MPT
Item Dimensions	0.31 x 0.15 x 0.15 inches
Item Type Name	Valterra P23415LF Brass 1/2" Check Valve - MPT x MPT
Item Weight	2.88 ounces
Manufacturer	Valterra
Manufacturer Part Number	P23415LF
Material Type	Brass
Model Number	P23415LF
Number of Pieces	1
Size	1 Count (Pack of 1)
Thread Size	1/2 inches
Thread Type	NPT
UPC	019079244154
Unit Count	1 Count

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