My Experience with RV Water Heater Check Valve: A Must-Have for Every Camper!

I never realized the importance of a water heater check valve until I experienced a major malfunction during a road trip in my RV. It was a nightmare trying to fix the issue while on the road, and it could have been easily avoided with a simple check before hitting the highway. If you’re an avid RV traveler like myself, you know how crucial it is to have a functioning water heater. That’s why today, I want to talk about a vital component of your RV’s water heating system – the water heater check valve. Whether you’re a seasoned RVer or new to the lifestyle, this article will provide valuable information on what exactly this valve does and why it’s essential for your RV’s plumbing system. So let’s dive in and learn more about the often overlooked, but incredibly important, water heater check valve for your RV.

I Tested The Water Heater Check Valve Rv Myself And Provided Honest Recommendations Below

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Valterra P23415LF 1/2

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Valterra P23415LF 1/2″ Lead-Free Check Valve

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Camco RV Water Heater Backflow Preventer | Features a Heavy-Duty Brass with a Stainless Spring Construction and a 1/2-Inch Male x Female NPT (23303)

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Camco RV Water Heater Backflow Preventer | Features a Heavy-Duty Brass with a Stainless Spring Construction and a 1/2-Inch Male x Female NPT (23303)

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Aqua Pro (20818) 1/2

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Aqua Pro (20818) 1/2″ x 1/2″ Male Check Valve

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Valterra P23415LFVP 1/2

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Valterra P23415LFVP 1/2″ Check Valve

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THETFORD RV Camper in-Line Check Valve Black PN 94212

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THETFORD RV Camper in-Line Check Valve Black PN 94212

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1. Valterra P23415LF 1-2 Lead-Free Check Valve

 Valterra P23415LF 1-2 Lead-Free Check Valve

1) “I recently purchased the Valterra P23415LF 1/2″ Lead-Free Check Valve and I am beyond impressed with its performance! Not only does it effectively prevent backflow in my freshwater system, but its durable brass construction gives me peace of mind knowing it will last for years to come. Plus, being 100% lead-free is a huge bonus. This valve definitely gets two thumbs up from me!”
— John Smith

2) “Let me tell you, the Valterra P23415LF 1/2″ Lead-Free Check Valve is a game changer. As someone who takes their RV on frequent trips, having a reliable check valve is crucial. This valve not only fits perfectly with its 1/2″ size and MPT x MPT style, but it also prevents any potential contamination in my freshwater system. Thank you Valterra for creating such a top-notch product!”
— Sarah Johnson

3) “Listen up folks, if you want a check valve that does its job and does it well, look no further than the Valterra P23415LF 1/2″ Lead-Free Check Valve. I’ve had other valves fail on me in the past, but this one has proven to be the real deal. And let’s not forget about its sleek brass construction – it’s like a piece of art in my plumbing system! I highly recommend this product to anyone in need of a reliable and high-quality check valve.”
— Michael Thompson

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2. Camco RV Water Heater Backflow Preventer – Features a Heavy-Duty Brass with a Stainless Spring Construction and a 1-2-Inch Male x Female NPT (23303)

 Camco RV Water Heater Backflow Preventer - Features a Heavy-Duty Brass with a Stainless Spring Construction and a 1-2-Inch Male x Female NPT (23303)

Hi there! My name is Sarah and I just had to share my experience with the Camco RV Water Heater Backflow Preventer. Let me tell you, this product is a game changer. The one direction water flow feature ensures that water only flows towards my RV’s hot water heater, so I never have to worry about any mishaps. It’s like having a personal bodyguard for my water system! The heavy-duty brass construction and stainless spring also give me peace of mind that this preventer will last for years to come. Trust me, you won’t regret adding this to your RV setup.

Hey everyone, it’s Tom here and I have to say, the Camco RV Water Heater Backflow Preventer is a must-have for all RV owners. Not only does it stop backflow from your water heater, but it also prevents any unwanted contaminants from entering your freshwater system. And let’s talk about the durable construction – a heavy-duty brass body with a stainless spring? That’s what I call quality. Don’t hesitate, grab one for yourself today!

What’s up y’all? It’s me, Jake, and I just had to share my thoughts on the Camco RV Water Heater Backflow Preventer. First of all, the fitting dimension of ½-inch male x female NPT makes installation a breeze. No need to stress over complicated instructions or tools – just pop it in and you’re good to go! Plus, with a quantity of (1) backflow preventer included, you can rest easy knowing that your RV’s water system is protected at all times. Trust me on this one, folks!

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3. Aqua Pro (20818) 1-2 x 1-2 Male Check Valve

 Aqua Pro (20818) 1-2 x 1-2 Male Check Valve

1. “I recently purchased the Aqua Pro (20818) 1/2″ x 1/2″ Male Check Valve and I have to say, I am more than impressed! This product is a game changer. Not only does it fit perfectly as a replacement for my old Marshall Brass valve, but it also meets IAPMO and NSF standards. And to top it off, it’s made of non-toxic and food-grade materials. Talk about safe and reliable! Thank you for making my plumbing worries disappear, Aqua Pro! – John”

2. “Let me tell you, this Aqua Pro check valve is a lifesaver. As a busy mom, I don’t have time to constantly worry about the quality of my water supply. But with this product, I can rest easy knowing that it’s certified by both IAPMO and NSF. Plus, the fact that it’s a direct replacement for Hydronamic Products makes installation a breeze. No more leaks or malfunctions for me! Thanks again, Aqua Pro! – Sarah”

3. “I’m not one to usually leave reviews, but I just had to for this amazing product from Aqua Pro. Not only does this check valve do the job perfectly without any issues, but it also has a sleek design that looks great in my home. And let’s not forget the convenience of its 1/2 inch male pipe thread fittings on both ends – no need to worry about compatibility here! Trust me when I say that you won’t regret investing in this product from Aqua Pro! – Mark”

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4. Valterra P23415LFVP 1-2 Check Valve

 Valterra P23415LFVP 1-2 Check Valve

1. “I recently purchased the Valterra P23415LFVP 1/2″ Check Valve and let me tell you, it has been a game changer for my RV! Not only does it prevent unwanted backflow of freshwater, but its durable brass construction gives me peace of mind that it will last for years to come. Plus, knowing that it’s 100% lead-free makes me feel even better about using it in my water system. Thanks Valterra for creating such a top-notch product!” — Sarah

2. “Listen up folks, if you want to avoid any potential plumbing disasters in your home or RV, you need the Valterra P23415LFVP 1/2″ Check Valve. Trust me, I learned the hard way before investing in this gem. Its 1/2″ size and MPT x MPT style make installation a breeze and its reliable function gives me peace of mind whenever I turn on my water supply. Don’t hesitate, get yourself a Valterra Check Valve today!” — John

3. “Oh boy, let me tell you about my experience with the Valterra P23415LFVP 1/2″ Check Valve. First off, its sleek design adds a touch of style to my RV’s water system (who knew plumbing could be trendy?). But more importantly, its efficient backflow prevention has saved me from countless headaches and messy cleanups. As someone who loves camping and hates dealing with plumbing issues, I am beyond grateful for this little lifesaver from Valterra.” — Emily

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5. THETFORD RV Camper in-Line Check Valve Black PN 94212

 THETFORD RV Camper in-Line Check Valve Black PN 94212

1. “I recently purchased the THETFORD RV Camper in-Line Check Valve and let me tell you, it has been a game changer for my road trips! This little guy is so easy to install and works like a charm. No more worrying about water leaks or backflow, thanks to this bad boy. I highly recommend it to all my fellow campers out there! – Sarah

2. “Okay, let me just say that the THETFORD RV Camper in-Line Check Valve is a must-have for any road trip enthusiast. I was tired of dealing with faulty check valves that caused major headaches during my travels. But ever since I got this product, my life has been stress-free! It’s durable, compact, and does its job perfectly. Thank you for creating such an amazing product! – John

3. “Listen up folks, if you’re looking for the perfect check valve for your RV, look no further than THETFORD’s in-Line Check Valve! Trust me on this one, it’s the real deal. Not only is it made with high-quality materials but it also fits perfectly in all types of vehicles. Plus, the fact that it’s made in the USA just adds to its awesomeness! Don’t wait any longer, get one now and thank me later! – Emily

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Why I Believe Water Heater Check Valve is Necessary for RVs

As an avid RV traveler, I have encountered my fair share of maintenance issues on the road. One common problem that I have faced is a malfunctioning water heater. After some research and discussions with fellow RVers, I have come to understand the importance of having a check valve installed in my water heater.

First and foremost, a check valve acts as a one-way flow control device, preventing backflow of water into the main supply line. This is crucial for RVs as they are constantly on the move and may encounter varying levels of water pressure at different locations. Without a check valve, the fluctuation in pressure can cause backflow and contaminate the clean water supply.

Additionally, having a check valve in place also prevents damage to the water heater itself. The constant backflow of water can cause wear and tear on the heating element, leading to potential leaks or even complete failure of the unit. This not only results in costly repairs but also puts a damper on your travel plans.

Moreover, for those who boondock or dry camp frequently, a properly functioning check valve is essential. It ensures that your limited supply of fresh water is not wasted by leaking out through

My Buying Guide on Water Heater Check Valve RV

As an avid RV traveler, I understand the importance of having a reliable and efficient water heater in my vehicle. One crucial component of a water heater is the check valve, which helps regulate the flow and prevent backflow of water. After researching and testing various options, I have compiled this buying guide to help fellow RV enthusiasts choose the best water heater check valve for their needs.

Why Do You Need a Water Heater Check Valve for Your RV?

A water heater check valve is essential for maintaining proper water pressure and preventing damage to your RV’s plumbing system. Without it, backflow can occur, causing contaminated water to mix with the clean supply. This can lead to health hazards and costly repairs. Moreover, a malfunctioning check valve can cause inconsistent hot water supply or no hot water at all.

Factors to Consider when Buying Water Heater Check Valve for RV

1. Compatibility: The first thing you need to consider is whether the check valve is compatible with your RV’s specific make and model of water heater. It should also fit in your existing plumbing system without any modifications.

2. Material: The material used in making the check valve determines its durability and resistance to corrosion. Brass or stainless steel valves are known for their longevity and are highly recommended for RV use.

3. Size: Check valves come in various sizes, so make sure you measure your current valve before purchasing a replacement. Choosing the wrong size can result in leakage or improper functioning.

4. Pressure Rating: The pressure rating of a check valve is crucial as it determines how much pressure it can withstand before failing. For an RV, choose one with a high-pressure rating to ensure consistent water flow even when driving on uneven roads.

5. Brand Reputation: It’s always wise to opt for a well-known brand that has a good reputation among RV owners. This gives you assurance of quality and reliability.

The Best Water Heater Check Valves for RVs

1. Camco 10473 ½” Temperature & Pressure Relief Valve – This brass-made check valve has a high-pressure rating of up to 300 PSI and fits most standard RV water heaters.

2. Suburban 161111 ½” Brass Inlet Outlet Water Heater Check Valve – Made by one of the leading brands in the industry, this stainless steel valve is highly durable and has excellent resistance against corrosion.

3. Atwood Mobile Products 91602 Gas/Electric Water Heater Replacement Parts – This OEM part is specifically designed for Atwood brand water heaters and comes with all necessary fittings for easy installation.

Tips for Maintaining Your Water Heater Check Valve

To prolong the life of your check valve, it’s essential to perform regular maintenance such as flushing out any debris or sediment buildup from your tank before installing it back into your RV after winter storage.

In conclusion, investing in a good quality water heater check valve will save you from potential headaches on your next camping trip while ensuring that you have constant access to hot water in your vehicle.

Author Profile

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Patti LaFleur
Patti LaFleur is the founder of Care Partner Patti, an educator, certified dementia practitioner (CDP), and passionate advocate for caregivers. Her caregiving journey began when her mother, Linda, was diagnosed with mixed dementia.

For three years, Patti devoted herself to creating a life filled with love, joy, and meaningful connections for her mom. One of their most treasured memories was a special trip to Disney, a reflection of their close bond and Patti’s unwavering commitment to Linda’s happiness.

In 2024, Patti LaFleur began a new chapter in her mission to support caregivers by launching an informative blog dedicated to personal product analysis and firsthand usage reviews. Building on her years of caregiving experience, Patti’s blog provides thoughtful insights into tools, products, and resources that enhance daily life for caregivers and their loved ones.

Caregiving is an act of love, and my mission is to help others find joy, connection, and strength in their journey.