The Moen 8342 is compatible with body jets. You would have to have your plumber istall another diverter or change the one you have to be compatible. Also you may need a booster pump depending on the size and GPM of your water heater. Hope this helps and please let me know if you have any other questions.

The Moen 8342 shower heads cannot be used at the same time.

The Moen valves are not compatible with any other manufacturer's trim pieces. If you want a different trim piece, choose the one you like and we can help you find the correct valve.

The Moen 8342 uses a pressure balanced valve and a diverter valve. Both of which are included in this system. I hope this answers your question!

The Moen 8342 is a combo unit. It will detach from the bar. The bar is metal and attaches to the wall with the wall brackets and hardware.

Yes, the Moen 8342 comes with both the stationary showerhead as well as the hand shower.

This unit does not have flow control. When you turn it it will turn on full force and you rotate the handle for temperature.

The Moen 8342 has a pressure balanced control for on/off and temperature regulation. It also has the three function transfer valve to switch between the wall mount shower and the hand shower.

Any rain shower will work with this system, providing there is enough water pressure for it.

The diverter valve on the Moen 8342 does have an unused port and could be used for a tub spout.

The Moen 8341 includes a tub spout in the package but the 8342 does not.

The Moen 8342 will have both metal and plastic parts, if you want a full metal brand check out Phylrich or Rohl, most Kohler products too.

The Moen 8342 shower arm cannot fit a water tile on it. If you wish to remove the main showerhead function altogether and substitute a shower body spray function, you may do that. I hope this helps!

Yes, they are compatible as they both have a 1/2" connection.

The Moen 3804 would be an appropriate non-diverter tub spout to add to your system. The diverter that is part of this system already is a three function, so all you would have to do is connect the tub spout to the third outlet.

Any Moen hand held should work. The 21556 is a multifunction hand held. You could try another manufactures hand held but the actually hand held may no sit well in the holder. The hose connection would not be an issue. Please let us know if you have any other questions.

The Moen 8342 uses the 8349 hand-shower head, which has only a single spray pattern.

This unit does not have flow control. When you turn it it will turn on full force and you rotate the handle for temperature.

Moen put together a great solution for a shower combination. This is an all inclusive system.

The Moen 8342 only plastic parts are on the hand shower head, and the shower head itself. Thanks for your question and have a great day!

The Moen 8342 comes with valves included for the shower system. If by "check valves" you mean do the valves come with "stops" to shut off the water supply at the valve itself, then you would need to purchase those check valves separately.

Any Moen showerhead would work as a replacement.

Yes you would be able to use the 6320 or 6340 shower head with this shower system.

The Moen 8342 comes with a diverter valve that has an unused port which could be configured for a body spray installation if need be. The term "flat head" does not really pull anything up under Moen. What are you looking for as far as fixtures go? I would be happy to help build your system and answer any questions you may have.

The Moen 8342 does not require the use of a volume control.

The Moen 8342 does not come in a brushed nickel finish.

The Moen 8342 is does not have a pause function on the handshower itself, you can always add a shower arm diverter to allow such a feature. The standard diverter will allow you to pause it however.

The Moen 8342 has a standard 1/2" connection to the shower arm. This means that you will be able to install any multi-function shower head that you would like later down the line.

If everything is installed right with no diverter problems you will be able to run both shower heads at once. There is a PDF file for installation on the page advertising this product with a complete diagram.

The Moen 8342 is only available in the polished chrome finish. Moen does however make other shower units in a brushed nickel finish, like the Moen 270.

The Moen 8342 includes the A725 wall elbow.

CC connection means it is a copper to copper 'sweat' connection.

The Moen 8342 has a scald guard.

The Moen 8342 includes the rough-in valve the t8342 (the "t" stands for trim) does not include the valve.

The Moen 8342 has a 3 way diverter so you can have each going separately and then both on at once.