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Home / Airframe Parts / Fuel Systems / Drain Valves /Curtis Pipe Thread Drain Valves
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Curtis Pipe Thread Drain Valves

127 Reviews 7 Answered Questions
From $20.50 to $53.75
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Model No. Thread
Size
Installed
Length
Material Part No. Price Buy
CCA-12501/8" NPT.790"B
05-04045
$21.50
Quantity
CCA-13001/4" NPT.965"B
05-04046
$21.95
Quantity
CCA-13503/8" NPT1.08"B
05-04047
$28.50
Quantity
CCA-1400 1/2" NPT1.125"B
05-03060
$43.75
Quantity
CCA-1550 1/8" NPT.790"B
05-01869
$21.50
Quantity
CCA-1600 1/4" NPT.945"B
05-01870
$21.50
Quantity
CCA-1650 3/8" NPT1.08"B
05-01871
$28.50
Quantity
CCA-1700 1/2" NPT1.125"B
05-01872
$43.50
Quantity
CCA-36150 1/8" NPT.790"BC
05-03654
$29.50
Quantity
CCA-39000 1/4" NPT.925"SS
05-03655
$53.75
Quantity
CCA-48001/4" NPT.945"BC
05-04049
$34.65
Quantity
CCA-4850 1/8" NPT.790"BC
05-00686
$28.50
Quantity
CCA-49001/4" NPT0.945"BC
05-11718
$29.95
Quantity
CCA-49503/8" NPT1.08"BC
05-04050
$34.70
Quantity
CCA-70003/8" NPT1.08"AA
05-15401
$31.65
Quantity
CCA-7450 1/8" NPT.790"BC
05-03652
$29.50
Quantity
CCB-36700 1/8" NPT.790"BC
05-03659
$20.50
Quantity
CCB-36750 1/8" NPT.725"SS
05-03660
$48.50
Quantity
CCA-1100 For LSA
with replaceable
Viton O’Rings
Compatible with
Diesel and Bio fuels
1/8" NPT.790"A
05-12914
$28.50
Quantity
CCA-1150 TSO-C76
with replaceable
Nitrile O’Rings
Compatible with
Jet fuel and 100LL fuel
1/8" NPT.790"A
05-12915
$28.50
Quantity
Subtotal $0.00
Add to Wishlist
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  • Overview
  • Documents
  • Reviews
  • Q&A
  • View in Catalog
  •  

Overview

NOTE: Thread size column lists pipe thread (NPT), not measured thread.

Quick opening brass drain valve for aircraft oil or fuel systems. A slight twist opens valve. No safety wire needed in closed position. FAA approved. TSO-C76 Approved.

Note: FAA Approval applies to fuel applications only. NOT FAA Approved for oil applications.

Curtis Superior Valve is experienced in valve design and can help solve your valve problems. In most cases a standard Curtis Superior Valve will do the job. Or possibly a slight modification of a production unit will answer a specific problem. We will be glad to give you any assistance you may require with your Quick Drain Valve application.

MAINTENANCE / CMM

Curtis Superior Valves are designed for installation in a standard NPT port for NPT threaded valves or an AND-10050 stlye port for UNF threaded valves. Use a sealant on NPT threaded valves or a fuel resistant o-ring of the proper size for UNF threaded valves. Refer to aircraft manufacturers torque specifications for the aircraft in which it is being used. Curtis Superior Valves require no special maintenance. Keep them reasonably clean and replace according to the prescribed synthetic rubber maintenance schedule for the aircraft in which they are used or 10 year usable life per Curtis Superior Valve whichever occurs first. Curtis Superior Valves cannot be OVERHAULED. Replace the entire valve per the maintenance schedule of the aircraft in which it is used or usable life per Curtis Superior Valve should it begin to leak.

OVERHAUL

Due to the low replacement cost of Curtis Quick Drain Valves versus the cost of replacement seals, breakage of seals in overhaul installations and labor costs, it is not recommended they be overhauled. Replace the entire valve in accordance with the instructions in MAINTENANCE above or should they begin to leak.

MATERIAL
A
Aluminum
AA
Anodized Aluminum
B
Brass
BC
Brass Cadmium Plated
SS
Stainless Steel

Use Curtis Fuel Sampling Cup P/N CCA-39680 (05-17300) for Fuel Testing

Field Replaceable O'Rings     TSO C76 approval from the FAA


Valve Number
Valve Thread Spec.
CCA-1800
1/8 ANPT
CCA-1900
1/4 ANPT
CCA-2000
3/8-24 UNF-3A
CCA-2100
7/16-20 UNF-3A

FUEL VALVE & MANUFACTURERS CROSS REFERENCE


Curtis Part Number
Auto Valve
Part Number
Saf-Air Part Number
Curtis Stem Seal O'Ring
Mounting O'Ring
CCA-1800
BJ1000AS1MY
CAV-110
MS29513-007
None Req.
CCA-1900
BJ1000AS1MX
CAV-160
MS29513-007
None Req.
CCA-2000
1100B52Z
CAV-180
MS29513-007
MS29513-011
CCA-2100
1100B52Z-G
CAV-170
MS29513-007
MS29513-012

Documents

  • Curtis Drain Valves Wall Chart (PDF)
  • Curtis Oil Drain Valves Application by Engine (PDF)
  • Curtis Valve Application by Aircraft (PDF)
  • Fuel & Oil Drain Valve Specifications (PDF)
  • Frequently Purchased With
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Reviews

Submit a Review

Great replacement for the leaking valves we had on the plane.

Edward B Verified Purchase

Curtis Drain Valves CCA-1550

January 16, 2025

These are well constructed and worth the price.

Craig L Verified Purchase

Curtis Drain Valves CCA-1550

January 12, 2025

This quick-drain ( oil) is of good quality and priced at a fair price.

Sam O Verified Purchase

Curtis Oil Drain Valve CCA-1400

December 18, 2024

Great quality as expected, probably would be a good idea to keep one as a spare just in case.

Edward R Verified Purchase

Curtis Drain Valve CCA-1250

December 14, 2024

Excellent.

Gladstone R Verified Purchase

Curtis Drain Valves CCA-1600

December 8, 2024

Stuart G Verified Purchase

Curtis Drain Valves CCA-1550

November 15, 2024

Excellent but expensive

John W Verified Purchase

Curtis Drain Valves CCA-1550

November 12, 2024

Fits Piper Cherokee perfectly

Stephan F Verified Purchase

Curtis Drain Valves CCA-1550

October 8, 2024

It works

Stephan F Verified Purchase

Curtis Drain Valve CCA-1250

October 8, 2024

Works fine

Thomas E Verified Purchase

Curtis Drain Valve CCA-1300

September 24, 2024

Works perfectly.Got here really fast!

Thomas E Verified Purchase

Curtis Drain Valve CCA-1350

September 18, 2024

Worked great!

Jerome M Verified Purchase

Curtis Drain Valves CCA-1550

September 8, 2024

Jerome M Verified Purchase

Curtis Drain Valves CCA-1550

September 8, 2024

Very good made parts

Sean C Verified Purchase

Curtis Drain Valve CCA-1300

August 29, 2024

Very high quality, replaces old clogged one, new one flows freely. Use a proper sized wrench to remove old, and bed the new with fuel resistant sealant, but one that you can remove again in 5 years. Dont over torque re-install.

Brent B Verified Purchase

Curtis Drain Valves CCA-1550

July 23, 2024

Easy operation, seals well, quick response in shipping and delivery.

Lantz P Verified Purchase

Curtis Valve CCB-36750

June 19, 2024

Good product

Evan G Verified Purchase

Curtis Drain Valves CCA-1550

April 22, 2024

It worked without leaking upon putting it in. Well see how long it lasts. These valves seem to have a variable service life based on my past experience. Some dont last a year and others last years.

Chad D Verified Purchase

Curtis Drain Valves CCA-1550

April 16, 2024

Been buying these from Spruce for decades. They work great and last a long time. finally they leak or get stiff and it takes less time and is easier to replace them than rebuild the other type.

Herb K Verified Purchase

Curtis Drain Valves CCA-1550

March 21, 2024

White B Verified Purchase

Curtis Drain Valves CCA-1550

March 16, 2024

Arrived as advertised - will install at next oil change!

M.s. D Verified Purchase

Curtis Drain Valves CCA-1700

March 1, 2024

Works as expected.

Ed C Verified Purchase

Curtis Drain Valves CCA-1550

February 13, 2024

Have ordered several Curtis Drain valves. Great replacement equipment

Robert K Verified Purchase

Curtis Drain Valves CCA-1550

January 19, 2024

Good little valve for my gascolator

James D Verified Purchase

Curtis Drain Valves CCA-1550

January 10, 2024

Seems good

Bruce B Verified Purchase

Curtis Drain Valves CCA-1550

December 6, 2023

Brian P Verified Purchase

Curtis Drain Valves CCA-1550

December 1, 2023

Good product worked fine.

Aviation S Verified Purchase

Curtis Drain Valves CCA-1550

November 14, 2023

Mike P Verified Purchase

Curtis Drain Valve CCA-1250

November 1, 2023

Works as advertised

Victor M Verified Purchase

Curtis Drain Valve CCA-1250

October 30, 2023

Works as advertised

Victor M Verified Purchase

Curtis Drain Valves CCA-1550

October 30, 2023

Worked well. Quick shipping. Thanks!

Shawn B Verified Purchase

Curtis Drain Valves CCA-1550

October 11, 2023

Just what I needed!

Boyd E Verified Purchase

Curtis Drain Valve CCA-1250

October 4, 2023

My fuel samples drain better and faster than ever with the not-so-new and not-improved Curtis Drain Valve!

Brian L Verified Purchase

Curtis Drain Valve CCA-1250

October 4, 2023

Have not installed it yet.

Larry N Verified Purchase

Curtis Drain Valves CCA-1550

October 1, 2023

Have just installed, but seems solid, well made. Identical to my old one that lasted almost 20 years, so hopefully this one will too.

Christopher B Verified Purchase

Curtis Drain Valve CCA-1350

September 7, 2023

Great product

Craig L Verified Purchase

Curtis Drain Valves CCA-1550

September 1, 2023

Works great

Carl K Verified Purchase

Curtis Drain Valve CCA-1250

August 20, 2023

Royce T Verified Purchase

Curtis Drain Valves CCA-1550

July 4, 2023

Great drain for wings and gascolator. Highly recommend!

Connor E Verified Purchase

Curtis Drain Valves CCA-1550

July 4, 2023

Keith R Verified Purchase

Curtis Drain Valves CCA-1550

June 23, 2023

Wrong size, not able to use it.

Keith R Verified Purchase

Curtis Drain Valves CCA-1600

June 20, 2023

ENCELENT

Jose J Verified Purchase

Curtis Drain Valves CCA-1550

May 12, 2023

Good job, as always

Commemorative A Verified Purchase

Curtis Drain Valves CCA-1550

April 18, 2023

Just wanted different type than what was planned on my kit. Very happy with it

Alain M Verified Purchase

Curtis Drain Valve CCA-1250

March 11, 2023

Kim C Verified Purchase

Curtis Drain Valves CCA-1550

February 22, 2023

Jacob K Verified Purchase

Curtis Drain Valves CCA-1550

February 21, 2023

Donald L Verified Purchase

Curtis Drain Valves CCA-1550

February 1, 2023

Paul E Verified Purchase

Curtis Drain Valve CCA-1250

January 28, 2023

Magaero L Verified Purchase

CCA-4850 Curtis Drain Valve

January 13, 2023

Edward J Verified Purchase

Curtis Drain Valves CCA-1550

January 3, 2023

Well built drain plug. Installed easily.

Travis C Verified Purchase

Curtis Drain Valves CCA-1600

December 26, 2022

Works great for what we need.

Triverus,llc Verified Purchase

Curtis Drain Valve CCA-4950

November 21, 2022

Paul F Verified Purchase

Curtis Drain Valves CCA-1550

November 15, 2022

Worked as advertised

Larry B Verified Purchase

Curtis Drain Valves CCA-1550

November 10, 2022

Exact replacement. Glad to have a supplier that carries the small stuff.

Jeff G Verified Purchase

Curtis Drain Valves CCA-1550

November 7, 2022

Magaero L Verified Purchase

Curtis Drain Valves CCA-1550

November 3, 2022

great valve

Craig L Verified Purchase

Curtis Drain Valves CCA-1550

October 20, 2022

Craig L Verified Purchase

Curtis Drain Valves CCA-1550

October 20, 2022

Quick install. Work great.

David C Verified Purchase

Curtis Drain Valves CCA-1550

October 18, 2022

Excellent product

David L Verified Purchase

Curtis Drain Valves CCA-1550

October 16, 2022

Thank you for expanding your shipping options and reducing the cost to ship small orders. In the past I would have to place smaller orders with other vendors.

Richard G Verified Purchase

Curtis Drain Valves CCA-1550

October 12, 2022

No problem.

Kenneth L Verified Purchase

Curtis Drain Valves CCA-1550

September 26, 2022

Replaced my clogged/broken drain valves

Attila H Verified Purchase

Curtis Drain Valves CCA-1550

September 16, 2022

You needed 3/8 size You sent 1/2 so I sent it back , I fond one I had and put a new o ring and it worked fin !

W. P Verified Purchase

Curtis Drain Valve CCA-1350

September 8, 2022

Just what I needed! This drain valve was a perfect replacement part. It was easy to find in the catalog and easy to order.

James T Verified Purchase

Curtis Drain Valve CCA-1250

August 25, 2022

Good valve, it lasted 11 years with premium mogas use before it started to seep.

Kevin M Verified Purchase

Curtis Valve CCA-7450

August 24, 2022

Perfect drain valve for my tank, works as advertised.

David W Verified Purchase

Curtis Drain Valve CCA-1250

August 16, 2022

Jeff A Verified Purchase

Curtis Drain Valve CCA-1250

August 9, 2022

good

Hamard Verified Purchase

Curtis Valve CCA-36150

June 21, 2022

good

Hamard Verified Purchase

Curtis Valve CCA-7450

June 21, 2022

Terry R Verified Purchase

Curtis Drain Valves CCA-1600

June 17, 2022

Curtis brand is always good, 2nd time bought.

Indar H Verified Purchase

Curtis Drain Valves CCA-1550

June 8, 2022

Great product.

Scott S Verified Purchase

Curtis Drain Valves CCA-1550

May 22, 2022

Working great. Order was delivered on time and correct part.

Joey A Verified Purchase

Curtis Drain Valves CCA-1550

May 22, 2022

New Curtis drain valves are good. I always keep one or two on-hand incase I, or a hangar-mate, need one.

Eaa C Verified Purchase

Curtis Drain Valve CCA-1250

May 10, 2022

Standard of the industry

Sam B Verified Purchase

Curtis Drain Valves CCA-1550

April 27, 2022

they were 1/8 with fine threads to match. excellent!

Clyde E Verified Purchase

Curtis Drain Valve CCA-1250

April 22, 2022

Got grounded for 4 days due to a leaking drain valve that had not been used for a year ! This replacement did the trick and in 10 min i was on my way !!

Richard C Verified Purchase

Curtis Drain Valves CCA-1550

April 13, 2022

These drains worked perfectly on my Archer. My old ones would drip on and stain my wheel pants. No more dripping!

Joshua H Verified Purchase

Curtis Drain Valves CCA-1550

April 8, 2022

Quick service of a quality part

Jace C Verified Purchase

Curtis Drain Valve CCA-1300

April 6, 2022

Carl V Verified Purchase

Curtis Drain Valves CCA-1600

March 31, 2022

Thank you for carrying such an extensive inventory. Exactly what I needed.

Tony M Verified Purchase

Curtis Drain Valves CCA-1550

March 24, 2022

It worked

Jeffrey G Verified Purchase

Curtis Drain Valves CCA-1550

March 19, 2022

ok

Juan G Verified Purchase

Curtis Drain Valves CCA-1600

January 22, 2022

Excellent and fast. The valve was the correct size and stopped my fuel Leak.

Francis B Verified Purchase

CCA-4850 Curtis Drain Valve

December 27, 2021

Worked perfectly and is very good quality.

Scott C Verified Purchase

Curtis Drain Valves CCA-1700

December 14, 2021

Works well

Andrew B Verified Purchase

Curtis Drain Valves CCA-1600

November 20, 2021

The drain fit the our Piper Archer perfectly. Thanks

Christopher S Verified Purchase

Curtis Drain Valves CCA-1550

November 13, 2021

Jim M Verified Purchase

Curtis Drain Valves CCA-1550

November 6, 2021

oK

Jose J Verified Purchase

Curtis Drain Valves CCA-1550

November 4, 2021

It open and closes. Whats to review?

Adam C Verified Purchase

Curtis Drain Valves CCA-1550

November 2, 2021

Very good exactly as expected

Eric B Verified Purchase

Curtis Drain Valves CCA-1550

October 29, 2021

Perfect for what I needed.

Mario A Verified Purchase

Curtis Drain Valve CCA-1300

October 23, 2021

Donald C Verified Purchase

Curtis Drain Valve CCA-1300

October 19, 2021

Tom A Verified Purchase

Curtis Drain Valves CCA-1600

October 12, 2021

Exact fit!

C. R Verified Purchase

Curtis Drain Valves CCA-1550

October 8, 2021

Bob Q Verified Purchase

Curtis Drain Valves CCA-1550

October 8, 2021

Fits perfect..thanks

Bob Q Verified Purchase

Curtis Drain Valve CCA-1300

October 6, 2021

Bruce P Verified Purchase

Curtis Valve CCA-1150

September 25, 2021

Right part, in stock, and very fast delivery. Thanks

Garry S Verified Purchase

Curtis Drain Valves CCA-1550

September 4, 2021

Nice to not have fuel leaking on to the wheel pants of my Warrior.

Kent H Verified Purchase

Curtis Drain Valves CCA-1550

July 28, 2021

It was literally just what I needed. Fit well, worked perfectly. Thank you.

Robert J Verified Purchase

Curtis Drain Valves CCA-1550

June 16, 2021

Replacement fuel drain for Wako r n f

Chip B Verified Purchase

Curtis Drain Valve CCA-1300

May 29, 2021

Jack M Verified Purchase

Curtis Drain Valves CCA-1550

May 25, 2021

Perfect fit, easy install on our 1966 Cherokee Six

Fadi H
April 18, 2021

I returned the valve directly to Curtis,in AZ.Threads were a little off.The people at Curtis are great!! Sent me a new one PP. My $6.50 postage to ship it to them,was on me.No one is perfect!

Bob C
March 18, 2021

I ordered 2 Curtis Drain Valves and they arrived quickly and in proper order.

Gus
January 20, 2021

Works as advertised

Gordon L
April 28, 2020

Its a sump drain- so far, so good.

Paul
March 20, 2020

A perfect replacement for the leaking drain valve on my PA12. It was delivered in two days. Great service as always from Aircraft Spruce.

Scott D
November 10, 2019

Curtis drain valves work well but tend to leak over time. Can’t seem to find replacement O-rings and replace entire valve each time.

Cliff F
August 3, 2019

Worked wonderful

Joseph M
March 7, 2019

Great product with fast standard shipping

Paul A
March 4, 2019

Worked great

David A
August 13, 2018

Replacing the originals on my pa28-181. Old ones 40 years old and starting to seep. If this set is as long lived I have nothing to worry about. OEM.

Jerry D
May 24, 2018

Just installed new Curtis CCA-1800 to replace the heavily rusted SAF-AIR CAV-110 drains on my RV. They look & work great. I expect the brass will cope much better with the salty coastal air.

Chris S
September 12, 2017

Exactly what was needed, Aircraft Spruce overnighted it to me from CA and I was able to fly to KOSH and Airventure the next day, Great Service!!

Rick H
August 3, 2017

Rick K Verified Purchase

Curtis Drain Valves CCA-1550

September 26, 2024

Design is prone to eventual leaking, but no other options.

Matthew K Verified Purchase

Curtis Drain Valves CCA-1550

March 14, 2024

Robert M Verified Purchase

Curtis Drain Valve CCA-1250

December 2, 2023

I ordered 2 of these valves. I only had 1 leaking, but thought I would replace both. One works great, but I havent installed the other. I t dosnt close on its own. I waited a couple months to install them, so I didnt return the bad one. I may be able to file it and make it work better.

Kelly K Verified Purchase

Curtis Drain Valves CCA-1550

July 11, 2022

I wish they would give a thread outside diameter, I had to learn that the hard way. For example: a 1/8 NPT has a 3/8 outside thread diameter, 1/4 NPT has a 1/2 outside diameter, and a 3/8 NPT has a 5/8 outside diameter, and I assume 1/2 NPT has a 3/4 outside diameter.

Jared J Verified Purchase

Curtis Drain Valve CCA-1300

July 15, 2021

Too expensive for what they are

George S Verified Purchase

Curtis Drain Valves CCA-1550

October 5, 2024

Used these quality sump drains for many years. No complaints with the product, except, for the totally ridiculous high price that every retailer/wholesaler charges. Everybody has become jaded to the outrageous pricing for aviation related products. Its ridiculous.

Jim
April 12, 2020

Too much money with shipping this little valve was almost $30

Larry H Verified Purchase

Curtis Drain Valves CCA-1550

February 16, 2024

Time for a redesign of this good product.The rubber O ring gets dirt on it leaks!!Curtis will not sell a $.50 O ring.$20 For a whole new valve.

Robert A Verified Purchase

Curtis Drain Valves CCA-1550

November 23, 2023

No longer brass but now aluminum. First sign of resistance, probably because the threads were off, the valve distorted and could not be used. Pure waste of money but I did salvage the seal and used it on the old brass unit it was going to replace. Dont waste your money if you can find new seals.

Al D
April 13, 2019
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Q&A

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Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: I have the port with 9/16-18 NPT thread. Which Curtis valve will fit: 3/8 or 1/4 thread?

|If you have measured your port and got 9/16", then the next closest size to this is 3/8" NPT.

Q: With the NPT, is any sealant or lube required on threads?

Nothing is required but you could use Ez Turn if you would like.

Q: Which 1/8 NPT valve would replace the SAF-187? Id like to be able to push to drain by hand rather than fuel cup probe.

You can use P/N# 05-01865 for the push type.

Q: Can I use CCA-1350 or 1300 as an Oil drain valve on my experimental aircraft?

These are for oil and fuel systems so if the thread is correct for your application you should be able to use it on an experimental aircraft.

Q: Which Curtis valve is appropriate for a PA28-161?

According to the Valve Application Data Guide PDF in the documents, the PA28-161 generally uses the CCA-1550 (Piper No. 492-022) valve.

Q: What is the difference between part CCA-1250 and part CCA-1550

CCA-1250 is spiral, twist open and CCA-1550 is push to open, turn to lock and conforms to NSN 2915-00-202-6420 when CCA-1250 does not.

Q: Do you sell the model CCA 1100?...i see it on Curtis Website

Yes, you can find it by searching either CCA-1100 or 05-12914 on our website.

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