Moen 8343 Chrome Tub and Shower Faucet with Single Function Hand Shower and Shower Head and Posi-Temp Pressure Balancing Rough-In Valve from the Commercial Collection

- Item #: BCI107457

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  • Overflow Recommended

What's Included:

  • Single function shower head
  • Single function hand shower
  • Slide bar with hose and wall supply
  • Shower arm with flange
  • Non-diverter tub spout
  • Single handle diverter and mixing valve trim
  • Posi-Temp pressure balanced rough-in valve with 1/2" CC connections and integral stops
  • Diverter rough-in valve

Product Features:

  • Covered under Moen's 5 year limited commercial faucet warranty
  • Premier finishing process - finishes will resist corrosion and tarnishing through everyday use
  • Single function shower head
  • Single handle controls temperature of water, with a separate handle to control water transfer functions
  • Posi-Temp pressure balancing valve cartridge maintains water pressure and controls temperature
  • Designed to easily install with standard U.S. plumbing connections
  • ADA compliant
  • All hardware required for installation is included

Product Technologies / Benefits:

  • Posi-Temp Valve: A pressure balancing valve that maintains water temperature within 3° F. Built-in temperature limit stops allow you to control how far the handle rotates, in effect controlling the range of water temperature. The Posi-Temp offers the best water flow available for any comparable valve.

Valve Trim Specifications:

  • Escutcheon (Cover Plate) Diameter: 7"
  • Complete with rough in valve system

Shower Head / Hand Shower Specifications:

  • Single function shower head/hand shower with full spray pattern
  • Flow Rate: 2.5 GPM (gallons-per-minute)
  • Shower Arm Length: 6-3/4"

Tub Spout Specifications:

  • Wall mounted diverter switches between tub and shower applications
  • Unrestricted flow rate allows for rapid filling of the tub


  • 8343: This model
  • T8343EP15: This model less rough-in valve and with 1.5 GPM shower head and hand shower
  • T8343: This model less rough-in valve and with 2.5 GPM shower head and hand shower
  • T8343NH: This model less rough-in valve and without shower head

Additional Moen Links

Our SKU: Moen 8343

This product is listed under the following manufacturer number(s):

  • Moen 8343

*Denotes a finish or option that has been discontinued

Moen 8343 Product Specifications

Exploded Parts
Installation Guide
Specification Sheet
ASME Approved Yes
ASME Code A112.18.1
Approved for Commercial Use Yes
Bodysprays Included No
CSA Approved Yes
CSA Code B125.1
Connection Size .5
Country Of Origin USA
Diverter Included Yes
Diverter Location Wall Mounted
Eco Friendly No
Escutcheon Height 7
Escutcheon Included Yes
Escutcheon Width 7
Faucet Type Bathtub Faucet, Shower Faucet
Flow Rate (GPM) 2.5
Handle Material Metal
Handle Style Lever
Handles Included Yes
Handshower Single Function
Handshower Flow Rate 2.5
Handshower Included Yes
Hose Included Yes
Hose Length 69
Installation Type Wall Mounted
Integrated Diverter No
Manufacturer Warranty 5 Year Limited
Material Metal
Number Of Handles 2
Pause Control Yes
Pressure Balanced Yes
Product Class Commercial
Shower Arm Reach 6.75
Showerhead Single Function
Showerhead Flow Rate (GPM) 2.5
Showerhead Shape Round
Slide Bar Included Yes
Spray Pattern Full
Spray Settings 1
Theme Commercial, Basic
Valve Included Yes
Valve Technology Posi-Temp
Valve Type Pressure Balanced
Vandal Resistant Screws Yes
Volume Control No
Wall Supply Included Yes
Water Efficient No
WaterSense Certified No

Installation Resource Center

Whether you are installing the product yourself or hiring a professional, our installation Resource Center has everything you need to get your project done. Visit the Installation Resource Center to get started.

Moen 8343 Reviews

Rated 4 out of 5 by from Nice end result but it takes awhile to get there We were renovating our hall bath in our home and wanted a tub faucet that gave us a way to select between bath, shower, or a hand shower. Surprisingly, almost NO vendors make such a combination that doesn't stick the hand shower as an offshoot of the regular shower. I wanted a way to use a transfer valve to select between the outputs and to not force the user to reach up to the shower head and switch a valve up there (which is what you have to do with the "add on" hand showers). After much searching, we found this combination from Moen that was exactly what we wanted. The price was right as well. We ordered from Faucet Direct. The package arrived with all of the parts. My main complaint, and the reason I cannot give the item 5 stars is that this seems to be a combination of several items sold by Moen. You end up with one set of directions for the main faucet that combines the hot and cold water, and then you have ANOTHER set of directions for the transfer valve, which allows you to choose among tub, shower, or hand shower. And then there are NO directions for the hand shower. For the hand shower, I had to look at all of the parts to determine how to install the mounting bar. It took a couple of tries to figure it out. And then when I went to hook up the hand shower to the drop elbow, there's an extra piece, and I couldn't determine if it gets installed at the drop elbow or before the hose hooks to the hand shower. Looked closely at the photo and determine it must go at the drop elbow. If there had been directions, I assume they would have spelled that out. However, I could find no directions, even on line at the Moen site. It all seemed to work in the end. Additionally, the directions for the transfer valve specifically stated to hand tighten the packing nut and then turn 1/2 turn past hand tight. I did that, and the valve wouldn't work in that when you turned the water on, you got water out of all three outputs (tub, shower, hand shower). I removed and reinstalled the packing nut three times, and it still wouldn't work. I finally called Moen, but you need to know if your product is commercial or residential. This is actually a commercial product, and once I was connected with the right tech, the person told me to "really crank down the packing nut really tight." That worked, even though it was expressly against what the directions said. I would say that this product is designed for someone with significant plumbing experience. I would not recommend this for a person who has never worked with plumbing before. I would recommend it to a friend depending on the friend. Assuming I knew that person's DIY experience, I could decide. We do like the look in the end. All of the parts function as desired, and it was exactly what we wanted.
Date published: 2012-07-05
Rated 5 out of 5 by from Perfect This fixture really filled the gap for a non-jacuzzi, non-bubble tub household. It is a high quality fixture that serves most family demands for shower, tub and hand-held. There is nothing cheesy about this fixture. I spent alot of time before choosing this and it is a homerun. Phenomenal value.
Date published: 2013-05-18
Rated 5 out of 5 by from Used mainly for the valves I had anything but a typical shower/bath install. We did not use the tub filler spout or the shower head. Instead we incorporated a roman tub filler spout and a rain shower head. I had some concern on the valve and how fast it would fill my garden tub. It works exceptionally well. Not as well as a 3/4" input but faster than I ever thought it would. The valves are good. Use the rough in plates to get it to the finish wall surface and you are golden. The hand held shower only has one spray pattern. Oh and it is not listed in the directions, but the vacuum breaker goes on the hook up for the handheld shower where it comes out of the wall.
Date published: 2012-04-23
Rated 4 out of 5 by from Like everthing about the unit but there where no clear install instruction. Simple to understand instructions for the average home owner whould be a big help.
Date published: 2012-05-29
Rated 3 out of 5 by from No Pressure Control This is the only available fixture with a tub spout, shower head, and hand held shower that I could find online or locally. Installation was easy, although my contractor had to contact Moen to get a replacement for the defective flow control. This specific fixture has no pressure control and the spray pattern for the shower head and hand held shower are not adjustable.
Date published: 2014-02-07
Rated 5 out of 5 by from Moen 8343 Shower Faucet We liked this products and would recommend it to anyone wanting a shower head and a hand held unit. Both work very efficiently. I also use my new walkin shower to bath my standard poodle. The hand held unit work exceptionally well.
Date published: 2008-12-30
Rated 5 out of 5 by from High quality fixture Very nice feel and almost no plastic. The fixtures themselves are great. The installation isn't for the novice plumber and the directional control valve had no installation instructions. I would recommend this fixture to another customer.
Date published: 2014-09-06
Rated 5 out of 5 by from Posi-Temp Pressure Balancing Rough-In Valve The Posi-Temp Pressure Balancing Rough-In Valve works very well and as advertised. I was doing laundry while in the shower and felt the water pressure reduce but the tempeture didn't even fluctuate. I was a little confused while testing the solder connections during installation, I could barly get a trickle from the faucet then realized that the Posi-Temp Pressure Balancing valve prevented any water flow until I turned on both hot and cold supply lines then it gave full flow.
Date published: 2014-08-22
  • Does this set come with the rough in valves or do those need to be purchased separately? Also it states that set is "without" volume control. Does a separate volume control need to be purchased?

    A. The Moen 8343 comes with the rough in valves that you need. There is not a separate volume control to buy, this system will allow you to turn the water on and adjust temperature. The volume of the water is not something that you can control with this system.
  • How long is the tub spout?

    A. The Moen 8343 - The tub spout included in this collection is the Moen 3804 which is 5".
  • Is there a vanity faucet that would be a good match for the Moen 8343?

    A. The Moen 8343 would go well with T6820. This is the closets match.
  • Can you add volume control to this system?

    A. The Moen 8343 cannot have volume controls added into the system because the valve is a pressure balanced not a thermostatic valve.
  • What are the differences between this model and 8342?

    A. The Moen 8343 comes with a tub spout. The 8342 has no tub spout.
  • How long is the tub spout?


    The Moen 8343 includes a 5 1/2" tub spout.

  • Is there a model with separate dial for volume control?


    The Moen 8343 is not available with a volume control.

  • Is the slider bar also ADA compliant, i.e., is it a handicap grab bar?


    The Moen 8343 is ADA compliant.

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