20 Best 1 1/4 Pvc Threaded Union [2025]

Are you looking for the best 1 1/4 Pvc Threaded Union? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 1 1/4 Pvc Threaded Union.

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1 Spears 498 Series PVC Pipe Fitting, Union with EPDM O-Ring, Schedule 40, 1' NPT Female Spears 498 Series PVC Pipe Fitting, Union with EPDM O-Ring, Schedule 40, 1" NPT Female
2 HYDROSEAL Kaplan 1 1/4” PVC True Union Ball Valve Threaded (NPT) with Full Port, ASTM F1970, EPDM... HYDROSEAL Kaplan 1 1/4” PVC True Union Ball Valve Threaded (NPT) with Full Port, ASTM F1970,...
3 Supply Giant 6I52 Flexible PVC Reducing Coupling with Stainless Steel Clamps, 2.4' x 1.6' Inner... Supply Giant 6I52 Flexible PVC Reducing Coupling with Stainless Steel Clamps, 2.4" x 1.6" Inner...
4 Spears 497 Series PVC Pipe Fitting, Union with EPDM O-Ring, Schedule 40, 1-1/4' Socket Spears 497 Series PVC Pipe Fitting, Union with EPDM O-Ring, Schedule 40, 1-1/4" Socket
5 NIBCO - K02450H U4803 11/2 HXFIPT FEMALE ADAPTER PVC, White, Model: U4803112 NIBCO - K02450H U4803 11/2 HXFIPT FEMALE ADAPTER PVC, White, Model: U4803112
6 Plumb Pak, White Keeney 46WK 1-1/4-Inch by 1-1/2-Inch Straight Extension Coupling Trap Adapter,... Plumb Pak, White Keeney 46WK 1-1/4-Inch by 1-1/2-Inch Straight Extension Coupling Trap Adapter,...
7 Spears 497 Series PVC Pipe Fitting, Union with EPDM O-Ring, Schedule 40, 1' Socket Spears 497 Series PVC Pipe Fitting, Union with EPDM O-Ring, Schedule 40, 1" Socket
8 C436-010 1 MA ADAPTER C436-010 1 MA ADAPTER
9 Set of (2) Hot Tub Spa 1 1/2' Slip X 1 1/2' Heater Union with Gasket Set of (2) Hot Tub Spa 1 1/2" Slip X 1 1/2" Heater Union with Gasket
10 Supply Giant 6I4J Flexible Pvc Reducing Coupling with Stainless Steel Clamps, 1-1/2 x 1-1/4 Inch,... Supply Giant 6I4J Flexible Pvc Reducing Coupling with Stainless Steel Clamps, 1-1/2 x 1-1/4 Inch,...
11 NDS U-0750-S 3/4-Inch Slip PVC Schedule 80 Union, Gray NDS U-0750-S 3/4-Inch Slip PVC Schedule 80 Union, Gray
12 Tefen - 12022208083 Nylon 6/6 Pipe Fitting, Hex Nipple, Gray, 1/2' NPT Male (Pack of 5) Tefen - 12022208083 Nylon 6/6 Pipe Fitting, Hex Nipple, Gray, 1/2" NPT Male (Pack of 5)
13 HYDROSEAL Kaplan 1 1/4' PVC True Union Ball Valve with Full Port, ASTM F1970, EPDM O-Rings and... HYDROSEAL Kaplan 1 1/4" PVC True Union Ball Valve with Full Port, ASTM F1970, EPDM O-Rings and...
14 Liimevvon 1/4' OD Quick Connect Push In to Connect for RO Water Reverse Osmosis System Water Tube... Liimevvon 1/4" OD Quick Connect Push In to Connect for RO Water Reverse Osmosis System Water Tube...
15 PVC Bulkhead Fitting Threaded Bulkhead Water Tank Connector for Rain Barrels, Aquariums, Water... PVC Bulkhead Fitting Threaded Bulkhead Water Tank Connector for Rain Barrels, Aquariums, Water...
16 Spears 897 Series PVC Pipe Fitting, Union with EPDM O-Ring, Schedule 80, 1' Socket Spears 897 Series PVC Pipe Fitting, Union with EPDM O-Ring, Schedule 80, 1" Socket
17 Banjo NIP100-SH Polypropylene Pipe Fitting, Short Nipple, Schedule 80, 1' NPT Male, 2' Length Banjo NIP100-SH Polypropylene Pipe Fitting, Short Nipple, Schedule 80, 1" NPT Male, 2" Length
Bestseller No. 1
Spears 498 Series PVC Pipe Fitting, Union with EPDM O-Ring, Schedule 40, 1" NPT Female
  • Union fitting for connecting and disconnecting two pipes more easily than with couplings
  • Female NPT threads on both ends for connecting two pipes with male NPT threaded ends
  • PVC for strength and resistance to chemicals and corrosion, and an EPDM seal for resistance to oil, water, and some solvents
  • Maximum operating temperature of 140 degrees F
  • Meets ASTM D1784 and D2466 standards for quality assurance, and certified by NSF International for potable water service
Bestseller No. 2
HYDROSEAL Kaplan 1 1/4” PVC True Union Ball Valve Threaded (NPT) with Full Port, ASTM F1970, EPDM...
  • APPLICATION - Commercial plumbing, aquariums, reef tank, irrigation, swimming pools, water parks and OEM applications
  • CONSTRUCTION - THREADED (FEMALE), 2 EPDM O-rings and 2 PTFE seats for long-lasting, superior performance
  • FULL PORT - Full flow fluid handling characteristics for long-lasting, superior performance in the field.
  • ACTUATOR - Ready for actuator assembly
  • EASE OF USE - Quarter turn operation for long-lasting, superior performance in the field.
Bestseller No. 3
Supply Giant 6I52 Flexible PVC Reducing Coupling with Stainless Steel Clamps, 2.4" x 1.6" Inner...
  • Flexible Coupling Compatible with cast Iron, plastic, copper, lead, and steel piping
  • Flexible Connectors are Leak-Proof, Rot-Proof and Sealed Against Infiltration and Exfiltration,
  • May be used for Non-Pressure Drain, waste, and vent (DWV) piping Systems and sewer Systems indoors and outdoors
  • ConForms to ASTM C1173, CSA B602, Certified and UPC Approved, Rated for underground use
  • Each Rubber Fitting is marked with part number, size, and Certifications
Bestseller No. 4
Spears 497 Series PVC Pipe Fitting, Union with EPDM O-Ring, Schedule 40, 1-1/4" Socket
  • Union fitting for connecting and disconnecting two pipes more easily than with couplings
  • Socket openings on both ends for connecting two male pipes
  • PVC for strength and resistance to chemicals and corrosion, and an EPDM seal for resistance to oil, water, and some solvents
  • Maximum operating temperature of 140 degrees F
  • Meets ASTM D1784 and D2466 standards for quality assurance, and certified by NSF International for potable water service
Bestseller No. 5
NIBCO - K02450H U4803 11/2 HXFIPT FEMALE ADAPTER PVC, White, Model: U4803112
  • 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. 6
Plumb Pak, White Keeney 46WK 1-1/4-Inch by 1-1/2-Inch Straight Extension Coupling Trap Adapter,...
  • STRAIGHT EXTENSION COUPLING TRAP ADAPTER: Upgrade your home's plumbing with a heavy duty trap adapter
  • DURABLE POLYPROPYLENE: Durable extension coupling is made from polypropylene for long-lasting use
  • INCLUDES REDUCING WASHERS: Comes with reducing washers to ensure a perfect fit
  • HIGH-VISIBILITY DESIGN: White finish gives the trap adapter a classic look and makes it easy to see
  • EASY INSTALLATION: Features a 1.5" or 1.25" inlet and a 1.5" outlet that allow for slip joint connections for easy installation that saves you time
Bestseller No. 7
Spears 497 Series PVC Pipe Fitting, Union with EPDM O-Ring, Schedule 40, 1" Socket
  • Union fitting for connecting and disconnecting two pipes more easily than with couplings
  • Socket openings on both ends for connecting two male pipes
  • PVC for strength and resistance to chemicals and corrosion, and an EPDM seal for resistance to oil, water, and some solvents
  • Maximum operating temperature of 140 degrees F
  • Meets ASTM D1784 and D2466 standards for quality assurance, and certified by NSF International for potable water service
Bestseller No. 8
C436-010 1 MA ADAPTER
  • Adapter for connecting pipes or fittings of different types
  • Slip opening on one end and male NPT threads on the other for connecting to pipes with different ends
  • PVC 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 D2466 and D1784 for quality assurance
Bestseller No. 9
Set of (2) Hot Tub Spa 1 1/2" Slip X 1 1/2" Heater Union with Gasket
  • Gasket is 2 3/8" Outside Diameter with Rib Size 1 7/8" Center to Center
  • Heater Union is 1 7/8" ID on the glue side and 2 3/8" OD on the threaded side..
  • To view out Video on this part Search YouTube for: Spa Heater 1 1/2" Split Nut Information How To Hot Tub Parts of America
Bestseller No. 10
Supply Giant 6I4J Flexible Pvc Reducing Coupling with Stainless Steel Clamps, 1-1/2 x 1-1/4 Inch,...
  • Flexible Coupling Compatible with cast iron, , copper, lead, and steel piping
  • Flexible Connectors are Leak-Proof, Rot-Proof and Sealed Against Infiltration and Exfiltration,
  • May be used for non-pressure drain, waste, and vent (DWV) piping systems and sewer systems indoors and outdoors
  • Conforms to ASTM C1173, CSA B602, Certified and UPC Approved, Rated for underground use
  • Each Rubber Fitting is marked with part number, size, and certifications
Bestseller No. 11
NDS U-0750-S 3/4-Inch Slip PVC Schedule 80 Union, Gray
  • Made with quality PolyOne Schedule 80 PVC II material
  • NSF certified to be drinking water safe and low lead approved
  • Upc/IAPMO listed
  • Made in the USA with quality polyone schedule 80 PVC ii material
Bestseller No. 12
Tefen - 12022208083 Nylon 6/6 Pipe Fitting, Hex Nipple, Gray, 1/2" NPT Male (Pack of 5)
  • Hex nipple for connecting two threaded pipes or fittings
  • Male National Pipe Taper (NPT) threads for connecting to female threaded pipes
  • Nylon 6-6 for high strength and flexibility, abrasion resistance, and a higher melting temperature than Nylon 6
  • Working pressure of up to 200 psi
  • Meets NSF/ANSI standard 61 for drinking (potable) water
Bestseller No. 13
HYDROSEAL Kaplan 1 1/4" PVC True Union Ball Valve with Full Port, ASTM F1970, EPDM O-Rings and...
  • APPLICATION - Commercial plumbing, aquariums, reef tank, irrigation, swimming pools, water parks and OEM applications
  • CONSTRUCTION - SOCKET (GLUE ON ONLY), 2 EPDM O-rings and 2 PTFE seats for long-lasting, superior performance
  • FULL PORT - Full flow fluid handling characteristics for long-lasting, superior performance in the field.
  • ACTUATOR - Ready for actuator assembly
  • EASE OF USE - Quarter turn operation for long-lasting, superior performance in the field.
Bestseller No. 14
Liimevvon 1/4" OD Quick Connect Push In to Connect for RO Water Reverse Osmosis System Water Tube...
  • Push fit fittings,Quick Connect Fitting 1/4" RO Water System
  • Standard fitting for water filter systems using 6mm water filter tubing
  • No tools required,Push fit fittings
  • Easy to use,Mini quick connect push tee 1/4-Inch OD
  • Applications include RO system beverage dispensing refrigerator ice maker coffee machine etc
Bestseller No. 15
PVC Bulkhead Fitting Threaded Bulkhead Water Tank Connector for Rain Barrels, Aquariums, Water...
  • Size information: the bulkhead fittings are 1 inch male thread, the total length is 5.7 cm/ 2.2 inch, the diameter is 5.0 cm/ 2.0 inch, and the outer...
  • What you will get: package comes with 2 pieces threaded bulkheads for rain barrels, water tanks, or aquariums, spigot and so on, bringing convenience...
  • Quality material: the water tank connector threaded bulkhead is made of quality PVC material, which will not fade, crack, or peel, so it is...
  • Easy to install: first you need to drill a 32-33mm hole for installation, then assemble the PVC bulkhead and hose adaptor together; No doubt, it is...
  • Multi-functional tool: the threaded bulkhead will contour to the shape of the round barrels, maintaining your barrel with fresh rain water season...
Bestseller No. 16
Spears 897 Series PVC Pipe Fitting, Union with EPDM O-Ring, Schedule 80, 1" Socket
  • Union fitting for connecting and disconnecting two pipes more easily than with couplings
  • Socket openings on both ends for connecting two male pipes
  • PVC for strength and resistance to chemicals and corrosion, and an EPDM seal for resistance to oil, water, and some solvents
  • Maximum operating temperature of 140 degrees F
  • Meets ASTM D1784 and D2467 standards for quality assurance, and certified by NSF International for potable water service
Bestseller No. 17
Banjo NIP100-SH Polypropylene Pipe Fitting, Short Nipple, Schedule 80, 1" NPT Male, 2" Length
  • Nipple for connecting two threaded pipes
  • Male NPT threads for connecting to a female NPT threaded pipe
  • Precision molded in sterilizable polypropylene for dimensional stability and reinforced with fiberglass for added durability, strength, and chemical...
  • Handles pressures up to 150 psi at 70 degrees F
  • Schedule 80 polypropylene for a thicker wall than schedule 40

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  1. Brand Value: Every brand of 1 1/4 Pvc Threaded Union 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 1 1/4 Pvc Threaded Union?
  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 1 1/4 Pvc Threaded Union.
  5. Customer Ratings: Number ratings grade 1 1/4 Pvc Threaded Union objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 1 1/4 Pvc Threaded Union.
  7. Product Quality: You don’t always get what you pay for with an 1 1/4 Pvc Threaded Union, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 1 1/4 Pvc Threaded Union is should be an indication of how long it will work out for you.

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FAQ:

Q: What size PVC pipe do I have?

A: PVC Pipe Sizes Chart. PVC Pipe sizes are different than the size the pipe is called. For example, a 1 inch PVC Pipe is actually 1.315 inches in outside diameter, and 1.029 inches in inside diameter. Fittings follow this same pattern, a 1″ fitting has a 1.315 inch opening to accept a 1 inch pipe, which actually measures 1.315 inches in diameter.

Q: What is a PVC Union?

A: PVC unions and PVC pipe union connectors are pipe fittings designed to connect two pipes together without the use of a sealant or traditional glued coupling. The advantage of using PVC pipe unions is that the pipes that are connected using PVC pipe unions can be taken apart…

Q: What is a PVC connector?

A: PVC connectors, commonly known as fittings, bring everything together. As the name suggests, they connect the pipes together. While there are several types of PVC pipe connectors, all of them can be sorted into two categories: Plumbing grade connectors have their place in plumbing drainage systems, as well as sewer systems.

Q: What is a PVC fitting?

A: What Is a PVC Fitting. Polyvinyl chloride (PVC) is a kind of plastic that can vary widely in use from clothing to inflatable products. Although it is widely used, more than half of the PVC manufactured is used to make piping and fittings. PVC is very lightweight and can withstand high temperatures.