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Radiator Pressure Relief Valves

Specs
Material Type:
Brass
Overall Length:
1.62
Sold in Quantity:
Each
Finish:
Natural
Inside Diameter:
.19
Thread Length:
.45
Thread Pitch:
1/4" NPT
Notes
Threads into Speedway Aluminum T-Bucket radiator to limit pressure to 15 psi. Required for PN# 91015600
Radiator Pressure Relief Valves

Click image to enlarge

Details

Reviews

Q & A

What's in the Box

This valve is used with Speedway's aluminum T-bucket radiator (91015600). It threads into a 1/4" NPT hole in the top radiator tank and it limits the pressure in the radiator to 15 psi.

The aluminum T-bucket radiator does not use a conventional "pressure" radiator cap, rather it uses the decorative "T" caps to seal the neck at the top of the radiator.

The arrow on the valve indicates the flow from the radiator.

Item Details

Required for 91015600

Customer Reviews

Rated 4.3 out of 5 by 4 reviewers.
RATING BREAKDOWN
4 reviews
5 Stars
1
4 Stars
3
3 Stars
0
2 Stars
0
1 Star
0
RECOMMEND THIS PRODUCT:

willb
Bozeman, MT, USA
Product Rating

quality construction

March 09, 2015
Well built pressure relief valve. Installed in 23t bucket. Only thing that could have been a bit clearer would have been to indicate which way it is installed. Figured it out but only by trial and error. Works great though.
Cons:
  • no indication on which way to install
Yes, I recommend this product.
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jab64
Ingram, TX, USA
Product Rating

pressure relief valve

November 06, 2014
does its job like it was designed to do mounts easy and like that it is out of the way
Pros:
  • works
Cons:
  • None
Yes, I recommend this product.
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no nickname
Verified Purchaser
Sunnyvale, CA.
Product Rating

radiator relief valve

September 19, 2012
this is my first time I'am using this relief valve on my tribute t. I call speedway motors to find out which way the valve fit into the radiator.the valve has a 15 psi pressor.
Pros:
  • Versatile
  • Lightweight
  • Easy To Use
Yes, I recommend this product.
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Lloyd
Mt. Nebo, WV
Product Rating

I used this item on a pressure tank

May 10, 2010
This is the only Company that carried the pressure valve . I looked everywhere ! I needed a 20lb. pressure valve , but this is working . I am using it on a diesel engine , that when under load gets a little hotter than a gas engine . I know it will work great on a gas engine .
Pros:
  • It fit my pressure tank
Yes, I recommend this product.
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Page 1 of 1

Product Q&A

3 questions : 4 answers

What size straight fitting do I need to route coolant from your model T radiator?

1 answers
Fred
Houston, TX
October 19, 2011

What size straight fitting do I need to route coolant from your model T radiator?

Answers

October 20, 2011
John
Part # 91015805 The pressure relief valve is male ¼” NPT on each end. One end will screw into the female port on the lower portion of the upper radiator tank. To hook a hose to the opposite end you may be able to find a female ¼” NPT to a barbed hose fitting at your local hardware store. Not a common part and if unable to locate we offer coupler number 6176145 and a barbed fitting number 91611046 for ¼” hose or 91611050 for 3/8” hose.

is there a spot to install this valve, if so where is it? or do i have to drill and tap a spot?

2 answers
rudy watt
miami , Fl
September 03, 2011

is there a spot to install this valve, if so where is it? or do i have to drill and tap a spot?

Answers

February 04, 2015
baddassdeuce
Top left corner engine side ,threaded bung
September 06, 2011
Jason
THIS VALVE IS USED WITH SPEEDWAY'S ALUMINUM T-BUCKET RADIATOR. IT THREADS INTO A 1/4 NPT HOLE IN THE TOP RADIATOR TANK AND IT LIMITS THE PRESSURE IN THE RAD. TO 15 PSI. THE ALUMINUM T-BUCKET RADIATOR DOES NOT USE A CONVENTIONAL "PRESSURE" RADIATOR CAP, RATHER IT USES THE DECORATIVE "T" CAPS TO SEAL THE NECK AT THE TOP OF THE RADIATOR. PLEASE SUGGEST GASKETS # 911 12222 AS THEY ARE VERY HELPFUL FOR SEALING THE DECORATIVE "T" CAPS.

my question is does the valves get routed back thru the cooling system also which way does the valve go on thanks charles

1 answers
John
collinwood tn
May 31, 2011

my question is does the valves get routed back thru the cooling system also which way does the valve go on thanks charles

Answers

June 07, 2011
John
This pressure relief valve is used on our T bucket radiators in the upper tank to relieve the pressure because of the rise in temperature of the coolant and the related expansion. The arrow on the valve marks direction of flow and would point downward from the upper radiator tank. Similar to the old style radiators and not to be compared with a recovery system as used on the later model vehicles. An overflow tank can be attached to the end opposite the tank to avoid fluid on pavement or vehicle used on.
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Learn more about how radiators work and selecting the proper radiator for your vehicle by reading our tech article. Radiator Cooling Performance.