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Best Compression Union Fittings

Wilkins 1-975XL Backflow Preventer
The Wilkins 1\" 975XL Reduced Pressure Backflow Preventer is designed for installation on non-potable water lines to protect against both backsiphonage and backpressure of contaminated water into the potable water supply. A tried and true design favored by installers worldwide.
Reviews
"I bought this Wilkins 1" 975XL Reduced Pressure Backflow Preventer - (bronze) , I reached local contractor/shops every one was costing a fortune. Wilkins 1" 975XL Reduced Pressure Backflow Preventer. Sold by Low Overhead Door. -- apparently it is displayed under different seller under amazon so adding this info for the web users."
"Replaced my corroded 20 year old unit with this, same size and dimensions as my old 975XL made for an easy swap."
"It replaced an eleven year old Wilkins 975 that failed the annual inspection."
"seems to be working fine."
"Due to the flow of water, it had to be installed with the test ports facing away from the tester."
"My old one broke when we had a bunch of days and nights of below freezing weather in a row and I knew a plumber would charge an arm and at least half a leg for one, plus the rest of that leg and another to install it."
"purchased 2 months ago and installed right away."
"I expected a fully functional back flow valve that I just could install."
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Perfect Vision 019006 Universal Ridgeloc RG-6 Compression F-Connector, 50-Piece
The Perfect Vision 'Universal' RIDGELOC RG-6 Compression F connector (50 Piece Jar) works on standard, tri-shield and quad-shield RG-6 coaxial cable. Fits any Standard, Tri-Shield and Quad Shield RG6.
Reviews
"These are described as universal which they are, so if not using quad shield there may be a slight gap between the cable and F connector."
"I received the item today and the connectors look like they are very good quality."
"Husband loves these, said they were the best he ever used."
"Quality connectors."
"Excellent RG-6 ends."
"Works perfect with my crimper and RG-6 quad cable."
"love the ease of use great product."
"good quality great price."
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Watts 63190 Backflow Preventer 1/2"
1 / 2 FIP ends with atmospheric vent. Enter your model number to make sure this fits.
Reviews
"easy to install & worked perfectly."
"Good quality product and reasonable price."
"Works without any problems."
"I was just what I ordered and was just fine."
"These backflow preventer's are not junk this unit was perfect for my application it's made of 100% brass very nice unit ."
"Arrived on time, and in excellent condition."
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Best Compression Union Reducers

Watts 63190 Backflow Preventer 1/2"
1 / 2 FIP ends with atmospheric vent. Enter your model number to make sure this fits.
Reviews
"easy to install & worked perfectly."
"Good quality product and reasonable price."
"Works without any problems."
"I was just what I ordered and was just fine."
"These backflow preventer's are not junk this unit was perfect for my application it's made of 100% brass very nice unit ."
"Arrived on time, and in excellent condition."
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Best Compression Union Straights

Parker A-Lok 6SC6-316 316 Stainless Steel Compression Tube Fitting, Union, 3/8" Tube OD
The Parker A-Lok 10SC10-316 compression tube fitting is made of type 316 stainless steel and connects to tubing on both ends. Pipe and tube fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries. Type 316 stainless steel for higher strength and greater corrosion resistance than type 304 stainless steel.
Reviews
"For a few dollars more than that piece of aluminum crap that is marketed as an aluminum ac line splice which leaks on 3/4 of the reviews."
"Replaced my rack and pinion on a 2000 Impala LS and if you ever have, you know what I'm talking about trying to get to the lines to the rack and pinion."
"Worked great on high pressure hydraulic line."
"Used this for my Hutch Mod on a 2002 Ford. F-350 ."
"I ordered the wrong size and had to return it, but it was well made and solid stainless steel as described."
"took way to long to get here but worked great once it did."
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Best Compression Cap Fittings

LTWFITTING 3/8" Brass Compression Cap Stop Valve Cap,BRASS COMPRESSION FITTING(Pack of 10)
Product Description Durable and high standard brass compression cap stop valve cap. Important Note Pay attention to the column of size and color, you could find a variety of product types and quantities for your choice. These products come from our joint factory, its annual output is about 100,000,000 pcs. It is one of the main copperware maker in China with a 25 years¡¯ experience in producing copperware and has already passed ISO 9001 quality guarantee system attestation, to ensure the long-term and stable quality of products . Enter your model number to make sure this fits.
Reviews
"Every one we have tried works great!"
"great to find quantity at fair price, use these on all jobs."
"These caps do what they are supposed to do and a good option for anyone who uses a lot of them."
"incorrect size need to return them."
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Best Compression Elbow Fittings

EATON Weatherhead 69X8 Male Elbow, CA360 Brass, 1/2" Tube OD, 3/8" Male Pipe Size
Tube fittings are used in various applications, including machine tools, airplane and truck controls, and automated production lines, among others. Adapts 3/8" NPT male end to 1/2" tube size female compression end at a 90-degree angle.
Reviews
"Worked great, decent price."
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Best Compression Cross Fittings

FORMUFIT F0345WC-WH-8 5-Way Cross PVC Fitting, Furniture Grade, 3/4" Size, White (Pack of 8)
Maintains the same socket depth, fit, finish and color as all other FORMUFIT products.
Reviews
"i love these things."
"I used these with standard plumbing 3/4" piping to build a structure for my garden that I can put shade screen on."
"Perfect for what I needed."
"Hard to find in my area."
"They were plenty sturdy to hang a banner from and easy to dissemble for storage."
"I used this for an art project, so it worked well."
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Best Compression Fitting Nuts

Furniture Connector 15mm Cam Fittings Pre-inserted Nuts Dowels 50 Sets
Each set includes 1 cam fitting, 1 Dowel and 1 Pre-inserted Nut.
Reviews
"Great replacements for the sub-standard ones that came with a piece of furniture I purchased."
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Best Compression Fitting Plugs

Parker Hannifin 6108-16 Series 6100 Brass Dust Cap for Nipples, 1" Size
Dust protection shields the connecting surfaces of couplers and nipples from environmental dust and dirt when the coupling is not connected. Protection from environmental dirt and grit prolongs the coupling life and helps to keep it in working condition.
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Best Compression Bulkhead Fittings

Lifegard Aquatics 1-Inch Double Threaded Bulkhead
Custom installations are easier and safer with all parts included in this convenient 1-inch Double Threaded Bulkhead. Heavy wall bulkhead is molded of highest impact resistant PVC eliminating possibility of finding hidden cracks when filling aquarium.
Reviews
"Care must be used when tightening the mating pieces to the internal threads of the bottom, tightening of the internal thread will want to unscrew the thread of the nut against the bulkhead. I used Banjo NIP100-4 Polypropylene Pipe Fitting, Nipple, Schedule 80, 1" NPT Male x 4" Length (4" extensions) downstream of the bulkhead before installing a ball valve similar to Valterra 700-10F PVC Ball Valve, White, 1" FPT."
"bought 3, all were uniform and consistent, please take care to seat the seal against the male side before using, as it is a tight fit."
"This product shipped to me pretty fast, I wasn't two impressed with the packaging it came in a a bubble wrap envelope."
"I didn't use it for it's intended purpose...I used it as a bulkhead fitting to pass electrical and steering cables through a pontoon boat console and floor."
"Easy bulkheads."
"Works in conjunction with our flex hose that we got."
"substantial, PVC bulkheads."
"Fixed a leaky one I had."
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Best Compression Fitting Ferrules

Lincoln Electric KH418 Brass Fitting, Ferrule, 1/4" Hose (Pack of 36)
Lincoln Electric brass fitting.
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Best Compression Fitting Tube Inserts

Watts LFA124 Compression Male Adapter, 3/8-Inch OD x 1/2-Inch MIP
tube size x Male pipe size. Unique Ander-Lign compression fitting is the only fitting that is completely assembled with a captive sleeve. This fitting also comes with a brass insert. Lead-free brass is not more than a weighted average of 0.25% lead when used with respect to the wetted surfaces of pipes and pipe and plumbing fittings and fixtures. Enter your model number to make sure this fits.
Reviews
"Works for my needs very well."
"I needed two of these for a new faucet installation and got tired of looking at local home improvement stores."
"I wound up doing something different to attach my ice maker but this appears that it would have worked if i used it."
"Good for adapting the old pipe to newer faucet."
"3/8" side: Is designed for a compression fitting."
"You can use it for just its threaded ends (3/8-inch thread to 1/2-in thread) or you can optionally use the 3/8-inch compression fitting nut. I needed it to convert a new 3/8-inch threaded faucet hose to my existing 1/2-inch threaded shutoff."
"If you're using PEX these are exactly what you need to attach your faucet to the hot and cold water lines."
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