thetford 31705
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible16.5%search→purchase rate — share of searches ending in a sale
Price range
Great$14.60–$31.52cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.3%return rate — above 5% kills the launch gate
Avg price
Great$19.65avg listing price — sweet spot $15–$100
Growth
Great+75.3%90-day search growth — must beat 0% to launch
Review moat
Good1,038.25avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$9K$9K/yr · 3K searches
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, thetford 31705 is a $9K/yr Amazon United States market (3K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Skip it — 46/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
thetford 31705 market data
- Units sold / yr
- 500–750
- avg 100–250/product
- Revenue / yr
- $10K–$15K
- units × avg price
- Conversion rate
- 16.5%
- Avg BSR
- #42
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 75%
- Out of stock
- 0.0%
- Avg brand age
- 48 months
- Avg seller age
- 201 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 falling
Sellers
39
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- Thetford54%
- Vypart39%
- Beech Lane6%
Demand & seasonality
Weekly Amazon search volume, last 101 weeks — +75.3% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 3.2×
Top thetford 31705 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.
All 4 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Thetford 31705 Aqua-Magic V Toilet Water Module Assembly
Thetford$31.524.7★2,324 rev
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$14.604.6★714 rev
Vypart 31705 RV Toilet Water Valve Kit - Fits Thetford Aqua-Magic V (High/Low Hand/Foot Flush) | Leak-Proof Freeze-Resistant Replaces 31688 31687 31653
Vypart$16.084.5★58 rev
Beech Lane 31705 Toilet Water Module Assembly for Thetford Magic V Toilets Patented Leak Resistant Design Improved Valve Lifespan Designed In USA For High Performance (Natural)
Beech Lane$16.414.6★1,057 rev
Newest
by launch dateVypart 31705 RV Toilet Water Valve Kit - Fits Thetford Aqua-Magic V (High/Low Hand/Foot Flush) | Leak-Proof Freeze-Resistant Replaces 31688 31687 31653
Vypart$16.0858 rev
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$14.60714 rev
Beech Lane 31705 Toilet Water Module Assembly for Thetford Magic V Toilets Patented Leak Resistant Design Improved Valve Lifespan Designed In USA For High Performance (Natural)
Beech Lane$16.411,057 rev
Thetford 31705 Aqua-Magic V Toilet Water Module Assembly
Thetford$31.522,324 rev
Trending
90-day click momentumThetford 31705 Aqua-Magic V Toilet Water Module Assembly
Thetford$31.524.7★
Vypart 31705 RV Toilet Water Valve Kit - Fits Thetford Aqua-Magic V (High/Low Hand/Foot Flush) | Leak-Proof Freeze-Resistant Replaces 31688 31687 31653
Vypart$16.084.5★
Beech Lane 31705 Toilet Water Module Assembly for Thetford Magic V Toilets Patented Leak Resistant Design Improved Valve Lifespan Designed In USA For High Performance (Natural)
Beech Lane$16.414.6★
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$14.604.6★
What buyers say about thetford 31705
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent fit”
“Overall, this is a reliable replacement part that did exactly what it was supposed to do”
“The whole unit is affordable”
“Easy install and fixed the existing leak”
“It came with everything needed for installation”
“functions as it should”
“Easy to replace”
“Very affordable fix”
“As advertised”
“This in combination with a return lever spring makes it all feel brand new”
What buyers complain about
“Leaking”
“so this raises concerns about durability or quality control”
“Froze and cracked despite RV antifreeze”
“like all of the other brands of the same apparatus it will start failing in about a year”
“it was a bit too loose”
“There are no instructions so if you dont know what you are doing you may have some issues”
“rubber gasket is way too thick”
“Poor design by Thetford to begin with”
“is a $2 valve too much to expect”
Top return reasons
Common questions
- Is thetford 31705 profitable to sell on Amazon United States?
- The niche generates $9K/yr across 4 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +75.3%. Flapen's verdict: Skip it (46/100).
- How competitive is the thetford 31705 niche?
- 3 brands and 39 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in thetford 31705?
- Top complaints mined from reviews: Leak-Proof, Quality-Overall, Rusts/Corrodes. The return rate is 1.3%.
- When does demand for thetford 31705 peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 3.2× the quietest.
- What does it cost to enter the thetford 31705 niche?
- Listings span $14.60–$31.52; the average listing price is $19.65 (sweet spot $15–$100). The average incumbent carries 1,038 reviews — the moat a new listing must climb.