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Pfister 9740420 Pressure Balanced Valve Cartridge Sub Assembly

by Pfister
4.5 out of 5 stars 162 customer reviews
| 17 answered questions

List Price: $44.93
Price: $16.88 & FREE Shipping on orders over $35. Details
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Ships from and sold by Amazon.com. Gift-wrap available.
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  • Compatible with Pfister 0X8 / JX8 pressure balancing valve
  • Pfister Pforever Warranty covers finish & function for life
  • Genuine Pfister Part
  • Sold individually
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12 new from $14.00 11 used from $8.50

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$16.88 & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Pfister 9740420 Pressure Balanced Valve Cartridge Sub Assembly
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Total price: $62.97
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Product Description

Product Description

For over 100 years, Pfister has been a leader in the plumbing field, offering a wide variety of innovative, first to market plumbing fixtures and many additional products that have helped define the industry. As part of the Stanley Black and Decker Hardware and Home Improvement Group, a global company renowned for its leadership, Pfister is ready to launch into another centennial offering quality plumbing fixtures, superior designs and breakthrough innovations.

From the Manufacturer

For over 100 years, Pfister has been a leader in the plumbing field, offering a wide variety of innovative, first to market plumbing fixtures and many additional products that have helped define the industry. As part of the Stanley Black and Decker Hardware and Home Improvement Group, a global company renowned for its leadership, Pfister is ready to launch into another centennial offering quality plumbing fixtures, superior designs and breakthrough innovations.

Product Information

Technical Details

Part Number 974-042
Item Weight 0.3 ounces
Product Dimensions 1.8 x 1.8 x 3.5 inches
Item model number 974-042
Item Package Quantity 1
Batteries Included? No
Batteries Required? No

Technical Specification

For warranty information about this product, please click here [PDF ]

Additional Information

ASIN B002CXBXNQ
Customer Reviews
4.5 out of 5 stars 162 customer reviews

4.5 out of 5 stars
Best Sellers Rank #3,638 in Home Improvements (See top 100)
#6 in Home Improvement > Rough Plumbing > Toilet Parts > Toilet Flush Valves
#359 in Home Improvement > Kitchen & Bath Fixtures
Shipping Weight 0.3 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available September 14, 2004

Warranty & Support

For warranty information about this product, please click here [PDF ]

Customer Reviews

Top Customer Reviews

Length: 0:33 Mins
If you originally purchased your fixture price pfister will replace this for you free - delivery took about a week.

Liked this project - all I needed to replace the old leaky cartridge was a 3/32" hex wrench (to get the handle off) and a standard sized (#2) philips screwdriver.

Just: 1. shut off water, 2. remove the handle with a hex. 3. remove any other trim in the way - like a colored metal tube which holds the wall plate, and the wall plate itself 4. unscrew the 4 screws holding the old one, 5. note the position of the old one! (ridges usually point down if it's piped correctly - (if you install it upside down, your water will be cold- no biggie - just reinstall it the other way) pull out the old one and wipe down the insides. 6. Adjust the outside black 'stop ring' as shown in the attached video per your heat preferences - I like hot showers so set it to the max. 7. Place it in screw it back together by reversing the steps and you're all done. :)
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Verified Purchase
The house I moved into had a basement shower that would not get hot so upon investigation found an issue with the original two piece cartridge that pfister included with their single handle shower faucet manufactured before 2006. I replace the two piece cartridge with this updated single piece unit and it works greats. Water gets hot. The anti-scalding feature is integrated just like every other faucet/cartridge on the market today, however it is adjustable. If after adjustment the water is still not hot enough, there may be an external adjustment on the hot and cold water pips that allows you to adjust flow rate on both the hot and cold sides. I didn't have to make any adjustment and the water gets plenty hot. My hot water heater is set to ~125 deg F so I am not over compensating by increasing the incoming hot water temp.
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Since I bought my house a couple of years ago, my guest bath has been a regular menace in one way or another. This time the valve cartridge needed to be replaced. My shower/tub faucet leaked hours after being turned off. It took real strength just to turn it off. I had difficulty finding the replacement part. Maybe because I couldn't tell if it was a 2 or a Z on the model # but this was the exact part. Now my faucet is easy to turn and doesn't drip, drip, drip.
2 Comments 8 of 9 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Verified Purchase
Replaced this cartridge of my 5 year old shower and it is now working like new. I followed the instructions included in this link:
http://youtu.be/l1a40saHVKs
Pretty straight forward process just make sure you don't drop water inside the wall and adjust properly the temperature (as per the video).
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Completely unnecessary to purchase. These valves have a lifetime warranty. All you need to do is call Pfister and they will mail you one for free.
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Verified Purchase
This replacement cartridge works perfectly in a shower valve that, according to the date on the old cartridge, dates back to July of 2004. It's well worth buying the whole sub assembly like this rather than the smaller inner cartridge. The reason these things leak from time to time is because the rubber washers in the inside wear out and allow water through the valve. It's much easier to buy the whole cartridge in put it in rather than try to find and place new washers in the cartridge. Also, I was not able to find the washers specific to this cartridge at Lowes or HD. Once you determine that this one works, I would recommend buying another one to keep on hand, because it will leak again. Not Amazon's fault. This is just a reaffirmation that you get what you pay for when it comes to plumbing fixtures.
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I replaced a two piece Pfister set with this combined assembly. If feels more cheaply built then the two piece unit and has some anti-scalding safety feature, which sucks if you like hot showers.

Quick and easy to replace, and now my shower doesn't leak, that's the good part.

I replaced a 10 year old unit with this one, and I am interested to see how long this lasts. In fairness we have lots of calcium in the water and high water pressure.
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Verified Purchase
Very fast shipping and its the exact thing i needed.
Poor design, but nonetheless this is what i bought and have to maintain it

Bought replacement part in June and its November. Guess what, the cartridge is getting stiff again, so this means in about 2 moths this thing will break again on me

Terrible lifespan
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Pfister 9740420 Pressure Balanced Valve Cartridge Sub Assembly
This item: Pfister 9740420 Pressure Balanced Valve Cartridge Sub Assembly
Price: $16.88
Ships from and sold by Amazon.com