---
title: "Rv Toilet Valve — $401K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/rv-toilet-valve"
last_updated: "2026-08-09T14:05:03.127Z"
locale: en
meta:
description: "Niche score 68/100 · $401K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 68/100 · $401K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Rv Toilet Valve — $401K/yr Amazon US Niche (2026) - Flapen"
---
# **rv toilet valve**
**Worth a look**
Shows searches that convert (12.7% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 55Growth 79Conversion 95Competition 37Returns 95Price range 84Avg price 81Brand share 54Review moat 70Quality gap 60
**Conversion**
**Incredible****12.7%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Price range**
**Great****$9.80–$46.22**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$17.47**
avg listing price — sweet spot $15–$100
**Growth**
**Great****+69.4%**
90-day search growth — must beat 0% to launch
**Review moat**
**Good****706.61**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****$401K**
$401K/yr · 181K searches
**Brand share**
**Good****72%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****63%**
top-5 click share — leaders hold, buyers still browse
According to Flapen's Amazon United States niche tracking, rv toilet valve is a $401K/yr Amazon United States market (181K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 68/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **rv toilet valve market data**
- **Units sold / yr**
- **25K–30K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$437K–$524K**
- units × avg price
- **Conversion rate**
- **12.7%**
- **Avg BSR**
- **#59**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **—flat
**Sellers**
**41**
**Top-5 brand share**
**72%**
Top 20: 100%
**Top-5 click share**
**63%**
Top 20: 100%
**Open market**
**21%**
- Halotronics22% - Vypart17% - Beech Lane15% - Aecsze9% - Rakiyada9% - Funmit6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +69.4% search growth over the last 90 days.
8K6KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul · busiest ÷ quietest = 5.0×
[**Open Trend **](https://flapen.com/research/us/automotive/rv-toilet-valve/trend)
## **Top rv toilet valve search terms**
- **rv toilet valve**57K/yr+44.3%10.2% conv. - **dometic toilet valve**36K/yr+81.8%14.2% conv. - **camper toilet valve**14K/yr+130.1%9.0% conv. - **rv toilet flush valve**11K/yr+70.4%8.2% conv. - **rv toilet valve replacement kit**10K/yr+74.6%8.3% conv. - **dometic 310 rv toilet valve**8K/yr+45.7%14.5% conv. - **385311641**5K/yr+79.6%15.7% conv. - **dometic rv toilet valve**6K/yr+86.1%14.4% conv. - **rv toilet water valve**5K/yr+88.4%9.4% conv. - **dometic 300 toilet valve**5K/yr+84.6%19.1% conv. [**All search terms **](https://flapen.com/research/us/automotive/rv-toilet-valve/search-terms)
## **Top rv toilet valve products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$40K20%$80K30%$120K40%$160K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 18 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Halotronics Upgraded RV Water Valve Replacement Kit for Pedal-Flush Toilets Compatible with Sealand Dometic 300 301 310 311 320 321 (385311641) - Hardware Included 2024 Model**Halotronics**$10.15**4.6★3,524 rev](https://www.amazon.com/dp/B084HN12PS) [2**Beech Lane Upgraded Water Valve Kit Replaces 385311641 for Dometic Toilets 300 310 and 320 Increased Freeze Resistance Long Valve Lifespan Ultrasonic Sealing Safeguards Against Leaks (Natural)**Beech Lane**$19.26**4.5★3,070 rev](https://www.amazon.com/dp/B09P1WXMTW) [3**31705 31688 31687 31653 RV Toilet Water Valve kit- Freeze Resistance & Leakage-Resistant RV Toilet Parts for Thetford Aqua-Magic V High and Low by Vypart**Vypart**$14.60**4.6★714 rev](https://www.amazon.com/dp/B0D6RCMZTG) [4**Rakiyada Upgraded RV Toilet Valve Replacement Kit Compatible with Dometic 300 310 320 400 410 420 385311641 Dometic RV Toilet Parts with 385311658 Toilet Seal for Pedal-Flush Toilets**Rakiyada**$18.34**4.4★155 rev](https://www.amazon.com/dp/B0FDGM6SB1) [5**Aecsze 2 Pack 385311641 RV Toilet Water Valve Replacement Kit Durable Plastic Water Valve Kit for 300 310 320 Series for Dometic and Sealand Marine Toilet Includes Hose Clamp and Fasteners**Aecsze**$16.15**4.2★86 rev](https://www.amazon.com/dp/B0D9K2GTNJ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Upgraded RV Toilet Valve Replacement Kit Compatible with Dometic 300 301 310 311 320 321Replacement Number 385311641**DGZMJJ**$13.52**9 rev4mo ago](https://www.amazon.com/dp/B0GR45TLXW) [**Upgraded 2 Pack 385311641 Rv Toilet Valve Replacement Kit - Toilet Valve with Rubber Seal Flush Ball Seal and Leak-Proof Washers Compatible Rv Toilet Parts for Dometic 300-321 Series**Aecsze**$20.21**16 rev5mo ago](https://www.amazon.com/dp/B0GGJDG7FK) [**385311641 RV Toilet Valve Replacement Kit Compatible with Dometic Toilet Valve 300-321 Series Freeze-Resistant & Leak-Proof Design Includes Hose Clamp & Fasteners for RV Camper Pedal-Flush Toilets**Cfyosnk**$10.10**41 rev8mo ago](https://www.amazon.com/dp/B0FWJR7RDZ) [**Upgraded RV Water Valve Repair Kit for Pedal Flush Toilets Compatible with Sealand Dometic 300 301 310 311 320 321 Freeze-Resistant Materials Replacement Number 385311641**BUWTIQ**$18.11**35 rev10mo ago](https://www.amazon.com/dp/B0FHKN4L35) [**TeegRoow Upgraded RV Toilet Water Valve Replacement Kit for Dometic Toilets 300 310 320-385311641 RV Toilet Parts Freeze-Resistance & Leakage-Resistant for Camper Pedal-Flush Toilet**TeegRoow**$15.26**61 rev11mo ago](https://www.amazon.com/dp/B0FLP9TC78)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Upgraded RV Toilet Valve Replacement Kit Compatible with Dometic 300 301 310 311 320 321Replacement Number 385311641**DGZMJJ**$13.52**4.0★**▲ 143%**](https://www.amazon.com/dp/B0GR45TLXW) [**Upgraded 2 Pack 385311641 Rv Toilet Valve Replacement Kit - Toilet Valve with Rubber Seal Flush Ball Seal and Leak-Proof Washers Compatible Rv Toilet Parts for Dometic 300-321 Series**Aecsze**$20.21**4.7★**▲ 141%**](https://www.amazon.com/dp/B0GGJDG7FK) [**385311641 RV Toilet Valve Replacement Kit Compatible with Dometic Toilet Valve 300-321 Series Freeze-Resistant & Leak-Proof Design Includes Hose Clamp & Fasteners for RV Camper Pedal-Flush Toilets**Cfyosnk**$10.10**4.0★**▲ 107%**](https://www.amazon.com/dp/B0FWJR7RDZ) [**Aecsze 2 Pack 385311641 RV Toilet Water Valve Replacement Kit Durable Plastic Water Valve Kit for 300 310 320 Series for Dometic and Sealand Marine Toilet Includes Hose Clamp and Fasteners**Aecsze**$16.15**4.2★**▲ 79%**](https://www.amazon.com/dp/B0D9K2GTNJ) [**Upgraded RV Water Valve Repair Kit for Pedal Flush Toilets Compatible with Sealand Dometic 300 301 310 311 320 321 Freeze-Resistant Materials Replacement Number 385311641**BUWTIQ**$18.11**4.6★**▲ 49%**](https://www.amazon.com/dp/B0FHKN4L35)
**~~View all trending →~~**
## **What buyers say about rv toilet valve**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**26%
*“Exact fit”*
**Assembly/Installation**14%
*“Easy enough to install”*
**Leak-Proof**12%
*“Doesn't Leak”*
**Quality-Overall**10%
*“The quality seems solid”*
**Efficiency**7%
*“Works great”*
**Advertised Vs Actual Product**7%
*“Product is as advertised”*
**Value For Money**6%
*“Great value”*
**Maintenance And Repair**4%
*“321 repair. perfect replacement”*
**Ease Of Use**3%
*“Quick n easy”*
**Product Condition**1%
*“They look brand new”*
### **What buyers complain about **
**Leak-Proof**43%
*“Leaked”*
**Durability**11%
*“Did not last”*
**Quality-Overall**9%
*“Bad quality, failed after two weeks”*
**Functionality-Overall**4%
*“Did not work”*
**Size-Overall**3%
*“also didn't fit properly”*
**Value For Money**2%
*“is a $2 valve too much to expect”*
**Advertised Vs Actual Product**2%
*“One star off for false advertising”*
**Compatibility-Overall**2%
*“Does not fit Dometic 311”*
**Assembly/Installation**1%
*“two weeks after installing this part”*
**Locking Mechanism**1%
*“It does not lock in so that when you gonto activate it to flush it will activate”*
### **Top return reasons **
**Leak-Proof**35%
**Size-Overall**22%
**Defective Material/Parts**12%
**Compatibility-Overall**11%
**Advertised Vs Actual Product**4%
**Functionality-Overall**4%
**Value For Money**2%
**Mechanism Issues**1%
**Assembly/Installation**1%
**Quality-Overall**1%
## **Common questions**
- **Is rv toilet valve profitable to sell on Amazon United States?**
- The niche generates $401K/yr across 18 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is +69.4%. Flapen's verdict: Worth a look (68/100).
- **How competitive is the rv toilet valve niche?**
- 12 brands and 41 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 72% of demand.
- **What do buyers complain about in rv toilet valve?**
- Top complaints mined from reviews: Leak-Proof, Durability, Quality-Overall. The return rate is 0.9%.
- **When does demand for rv toilet valve peak?**
- Demand peaks in May–Jun–Jul; the busiest month runs 5.0× the quietest.
- **What does it cost to enter the rv toilet valve niche?**
- Listings span $9.80–$46.22; the average listing price is $17.47 (sweet spot $15–$100). The average incumbent carries 707 reviews — the moat a new listing must climb.
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