20 Best 3 1/2 Cleanout Adapter [2024]

Are you looking for the best 3 1/2 Cleanout Adapter? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 3 1/2 Cleanout Adapter.

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# Preview Product
1 Sioux Chief Manufacturing 834-4P Sioux Chief 834-4PF 4 Inch PVC40 Adjustable Base 3 1/2 Inch... Sioux Chief Manufacturing 834-4P Sioux Chief 834-4PF 4 Inch PVC40 Adjustable Base 3 1/2 Inch...
2 Canplas 193703AS PVC Female Cleanout Adapter with Plug, 3-Inch, White Canplas 193703AS PVC Female Cleanout Adapter with Plug, 3-Inch, White
3 NIBCO U5803 11/2 HXFIPT FEMALE ADAPTER ABS Black, 1.5 Inch NIBCO U5803 11/2 HXFIPT FEMALE ADAPTER ABS Black, 1.5 Inch
4 Canplas 193702AS PVC Female Cleanout Adapter with Plug, 2-Inch, White Canplas 193702AS PVC Female Cleanout Adapter with Plug, 2-Inch, White
5 Camco Ready to Use Gate Valve with Built-in Clear Adapter | Fits All 3-inch Sewer Fittings | Ready... Camco Ready to Use Gate Valve with Built-in Clear Adapter | Fits All 3-inch Sewer Fittings |...
6 C4818 2 MIPT PLUG PVC C4818 2 MIPT PLUG PVC
7 Camco Dual Flush Pro Holding Tank Rinser with Gate Valve (39062) Camco Dual Flush Pro Holding Tank Rinser with Gate Valve (39062)
8 U58032 11/2 SPGXFIPT FEMALE ADAPTER ABS U58032 11/2 SPGXFIPT FEMALE ADAPTER ABS
9 Canplas 193201AS PVC DWV P-Trap with Cleanout, 1 1/2-Inch, White Canplas 193201AS PVC DWV P-Trap with Cleanout, 1 1/2-Inch, White
10 YUHX Lead Free Brass Angle Stop Add-A-Tee Valve, Bidet 3/8 x 3/8 x 3/8 Inch Compression or 1/2 T... YUHX Lead Free Brass Angle Stop Add-A-Tee Valve, Bidet 3/8 x 3/8 x 3/8 Inch Compression or 1/2 T...
11 SAFE-T-SEAL MTP352 Plastic Mechanical Clean-out Plug, 3.5' HUB SAFE-T-SEAL MTP352 Plastic Mechanical Clean-out Plug, 3.5" HUB
12 MISSMIN Water line adapter IPS 1/2 eblow male to female coupling for clawfoot tub shower faucet... MISSMIN Water line adapter IPS 1/2 eblow male to female coupling for clawfoot tub shower faucet...
13 EZ-FLO 15336, White PVC Cleanout with Brass Plug, 3 x 4-Inch, 3 inch x 4 inch EZ-FLO 15336, White PVC Cleanout with Brass Plug, 3 x 4-Inch, 3 inch x 4 inch
14 Cherne 270178 Gripper 3 in. Black Mechanical Clean Out Plug, 3 in. -4 Cherne 270178 Gripper 3 in. Black Mechanical Clean Out Plug, 3 in. -4
15 Genova Products 80430 ABS-DWV Male Adapters, 3' Genova Products 80430 ABS-DWV Male Adapters, 3"
16 Zurn CO2490-A35 Countersunk Cleanout Plug, 3.5 Inch IP ABS Plug,Grey Zurn CO2490-A35 Countersunk Cleanout Plug, 3.5 Inch IP ABS Plug,Grey
17 Sioux Chief 882-35 3.5 in. Clean Test Plug Sioux Chief 882-35 3.5 in. Clean Test Plug
18 C4803 4 HXFIPT FEMALE ADAPTER PVC C4803 4 HXFIPT FEMALE ADAPTER PVC
19 Canplas 414274BC PVC Sew 4 Cleanout with Plug Canplas 414274BC PVC Sew 4 Cleanout with Plug
20 DANCO PlugAll Mechanical Test, Seal & Cleanout Pipe Plug | For Drains & Clean-outs | Fits 1-1/2 inch... DANCO PlugAll Mechanical Test, Seal & Cleanout Pipe Plug | For Drains & Clean-outs | Fits 1-1/2...
Bestseller No. 1
Sioux Chief Manufacturing 834-4P Sioux Chief 834-4PF 4 Inch PVC40 Adjustable Base 3 1/2 Inch...
  • 3 1/2 Inch Cleanout Plugs, Coring Sleeve and Head Adapter
  • Brand: Sioux Chief Manufacturing
  • Country of Origin: UNITED STATES
  • Number of Items: 1
Bestseller No. 2
Canplas 193703AS PVC Female Cleanout Adapter with Plug, 3-Inch, White
  • Injection molded body in non-toxic durable white polyvinyl chloride (PVC)
  • Service temperature rated at (140F) 60C
  • Normally used in the drainage portion of the DWV system only
  • Model number: 193703AS
SaleBestseller No. 3
NIBCO U5803 11/2 HXFIPT FEMALE ADAPTER ABS Black, 1.5 Inch
  • Adapter for connecting pipes or fittings of different types
  • Hub opening on one end and female National Pipe Taper (NPT) threads on the other for connecting two pipes with different ends
  • ABS-DWV for chemical and corrosion resistance, performance under wide temperature ranges, and light weight for quick assembly
  • Smooth interior finish for reduced friction and material buildup
  • Meets specifications ASTM D2661 and D3311 for quality assurance
SaleBestseller No. 4
Canplas 193702AS PVC Female Cleanout Adapter with Plug, 2-Inch, White
  • Injection molded body in non-toxic durable white polyvinyl chloride (PVC)
  • Service temperature rated at (140F) 60C
  • Normally used in the drainage portion of the DWV system only
  • Model number: 193702AS
SaleBestseller No. 5
Camco Ready to Use Gate Valve with Built-in Clear Adapter | Fits All 3-inch Sewer Fittings | Ready...
  • Backup Gate Valve: Provides a quick fix for leaky valves
  • Clear Adapter: The 3 ½-inch long clear adapter allows you to see when the tank is completely empty
  • Universal Fit: Fits all 3-inch sewer fittings
  • Features: Clear adapter features (4) bayonet prongs for easy hookup; Cap provides a leak-free, odor-tight connection
  • Ready to Use: Simply connect to your RV's drain pipe
Bestseller No. 6
C4818 2 MIPT PLUG PVC
  • Plug for closing the end of a pipe or fitting
  • Male National Pipe Taper (NPT) threads for connecting to a female threaded pipe
  • PVC-DWV for corrosion resistance, high strength, and less weight than fittings made from metal
  • Smooth interior finish for reduced friction and material buildup
  • Meets specifications ASTM D2665 and D3311 for quality assurance
SaleBestseller No. 7
Camco Dual Flush Pro Holding Tank Rinser with Gate Valve (39062)
  • Convenient way to clean the entire septic system
  • Forces water back up into plumbing lines to break up clogs in pipes
  • Allows to backfill and flush black and grey water tanks
  • Anti-siphon valve and complete valve assembly included
  • Clear, break resistant polycarbonate adapters make it easy to see when the tank is done rinsing
SaleBestseller No. 8
U58032 11/2 SPGXFIPT FEMALE ADAPTER ABS
  • Adapter for connecting pipes or fittings of different types
  • Spigot on one end and female National Pipe Taper (NPT) threads on the other for connecting two pipes with different ends
  • ABS-DWV for chemical and corrosion resistance, performance under wide temperature ranges, and light weight for quick assembly
  • Smooth interior finish for reduced friction and material buildup
  • Meets specifications ASTM D2661 and D3311 for quality assurance
Bestseller No. 9
Canplas 193201AS PVC DWV P-Trap with Cleanout, 1 1/2-Inch, White
  • Injection molded in non-toxic durable white polyvinyl chloride (PVC) and provided with a reusable watertight gasket
  • Service temperature rated at (140F) 60C
  • Normally used in the drainage portion of the DWV system only
  • Brand name: Canplas
Bestseller No. 10
YUHX Lead Free Brass Angle Stop Add-A-Tee Valve, Bidet 3/8 x 3/8 x 3/8 Inch Compression or 1/2 T...
  • 1 ★ Heath and environment friendly material , Lead free brass for both potable and non-potable water. Inlet 3/8" OD female compression x 3/8" OD...
  • 2 ★ For adding an outlet on a angle stop valve for a bidet ,water filtration system, dishwasher, second faucet, etc.Used for adding an...
  • 3★ [ T Valve Unique Control ] Used to shut off water flow when not in use and adjust water pressure to suit your needs, there is no need to worry...
  • 4★ This bidet t-adapter installs at the 3/8" OD compression thread water supply feeding your toilet from the wall or floor to your toilet fill...
  • 5★Package Included:Inlet 3/8" OD female compression x 3/8" OD compression x 3/8" OD compression angle stop Add-A-Tee valve x 1 , 3/8" OD female...
Bestseller No. 11
SAFE-T-SEAL MTP352 Plastic Mechanical Clean-out Plug, 3.5" HUB
  • Includes one 3.5 inch mechanical test plug
  • Easy to install tighten with crescent wrench, removable/reusable
  • No gluing, no metal parts that will rust
  • Max head pressure 50 feet, PSIG pressure 22
  • Made in U.S.A
Bestseller No. 12
MISSMIN Water line adapter IPS 1/2 eblow male to female coupling for clawfoot tub shower faucet...
  • 1/2 IPS elbow pipe fitting for clawfoot faucet connecting to water line
  • 1/2 IPS female ends with swivel collar, attach to water inlets (1/2 inch MIP)of claw foot tub mount bathtub faucet
  • 1/2 IPS male ends attach water supply lines
  • coming with rubber washers to prevent from leaking
  • Solid brass construction; Sold in pair
Bestseller No. 13
EZ-FLO 15336, White PVC Cleanout with Brass Plug, 3 x 4-Inch, 3 inch x 4 inch
  • ✅DESIGN- EZ-FLO's Clean-Out w/ Brass Plug is designed for non-pressurized drain, waste, and vent purposes.
  • ✅MEASUREMENT- The clean-out fits over 3 inch Sch. 40 PVC DWV or inside a 4 inch Sch. 40 PVC DWV.
  • ✅QUALITY- Made of high-impact PVC that resists corrosion and provides durability.
  • ✅UNIVERSAL- Designed for drain, waste, and vent purposes.
  • ✅INSTALLATION- Features a built-in stop for easy access. Includes a 3 inch Iron Pipe Size (IPS) brass plug.
Bestseller No. 14
Cherne 270178 Gripper 3 in. Black Mechanical Clean Out Plug, 3 in. -4
  • Natural rubber threaded O-ring for a positive seal
  • Black color blends well with cast-iron pipe
  • NPT-sized, including hard-to-find 3-1/2 in.
  • Guaranteed to seal any damaged threads
  • ABS glass-reinforced plastic for added strength
Bestseller No. 15
Genova Products 80430 ABS-DWV Male Adapters, 3"
  • Item Weight: 0.29 lb
  • Country of Origin: United States
  • Brand name: Genova
  • Item Dimensions: 4.0"L x 3.13"W x 4.5"H
SaleBestseller No. 16
Zurn CO2490-A35 Countersunk Cleanout Plug, 3.5 Inch IP ABS Plug,Grey
  • Pipe and Test Plugs
  • Plumbing
  • Country of Manufactury: China
  • Commercial Brand: Zurn
SaleBestseller No. 17
Sioux Chief 882-35 3.5 in. Clean Test Plug
  • 3 1/2" Cleanout Test Plug
  • For use in both pipe end threads and clean-out threads – size specific
  • Ideal for use on damaged clean-out openings and on damaged or deteriorated threads
  • Soft PVC gasket creates air-tight seal - Forms into female threads
  • 100% non-corrosive, strong and durable
Bestseller No. 18
C4803 4 HXFIPT FEMALE ADAPTER PVC
  • Adapter for connecting pipes or fittings of different types
  • Hub opening on one end and female National Pipe Taper (NPT) threads on the other for connecting two pipes with different ends
  • PVC-DWV for corrosion resistance, high strength, and less weight than fittings made from metal
  • Smooth interior finish for reduced friction and material buildup
  • Meets specifications ASTM D2665 and D3311 for quality assurance
Bestseller No. 19
Canplas 414274BC PVC Sew 4 Cleanout with Plug
  • Injection molded in Non-Toxic durable White Polyvinyl Chloride (PVC)
  • Flame Retardant, will not support combustion in the absence of an ignition source
  • Maximum Service Temperature Rated at (140F) +60C
  • High chemical resistance to nearly all acids, alkalis, alcohols, halogens and other corrosive media
  • Use approved PVC primer and solvent cement to make PVC Joints
SaleBestseller No. 20
DANCO PlugAll Mechanical Test, Seal & Cleanout Pipe Plug | For Drains & Clean-outs | Fits 1-1/2 inch...
  • Mechanical test plug for drains and cleanouts
  • Expandable test plug fits 1-1/2 inch AND 2 inch pipes
  • Fits pipes with threads and pipes without threads
  • Ergonomically designed handle turns and expands patented rubber gasket to provide air and water tight seal
  • Easy to install with no tools required, just simply hand tighten

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After hours of searching and using all the models on the market, we have found the best 3 1/2 Cleanout Adapter for 2023. See our ranking below!

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John Harvards provides an 3 1/2 Cleanout Adapter buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

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  1. Brand Value: Every brand of 3 1/2 Cleanout Adapter has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 3 1/2 Cleanout Adapter?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 3 1/2 Cleanout Adapter.
  5. Customer Ratings: Number ratings grade 3 1/2 Cleanout Adapter objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 3 1/2 Cleanout Adapter.
  7. Product Quality: You don’t always get what you pay for with an 3 1/2 Cleanout Adapter, sometimes less, and sometimes more.
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FAQ:

Q: What are the best cleanout plugs?

A: Summary: These Test-Tite (Item# 83689) plugs are great cleanout plug replacements made by IPS. They seal well and are a great replacement cap to consider especially when you’re dealing with poor (damaged, destroyed, unuseable) cast iron threads. Just be sure to order the proper size for your cleanout. Each unit includes the appropriate hex wrench.

Q: Will a 3-1/2 inch cleanout fit in this cleanout?

A: It fits. This particular 3-1/2″-sized model is designed for a 3-1/2″ cleanout and it fits perfectly. I use these often. Otherwise, those “struggling to find a proper fit” clearly don’t know what they’re doing or looking for or should be looking for.

Q: What are the rubber rings for on a cleanout plug?

A: This rubber rings expands inside the pipe sealing in gases and secures the plug/cap. A hex (allen) wrench is included. I really like these as they fit nearly flush to surface (i.e., on a sidewalk there’s less chance of this cleanout plug being a trip hazard).