3/4 Shower Valve Vs 1/2

3/4 Shower Valve Vs 1/2. A shower valves control system refers to how the unit itself manages its several inputs, namely temperature and water pressure. Getting to the 3/4 1 inch pex, 1/2 inch is too small sometimes,, it does have its purpose put for a long run use the one inch pex.

1/2inch MIP Brass Ball Valve Hose Bibb w/ Extra Large Handle and
1/2inch MIP Brass Ball Valve Hose Bibb w/ Extra Large Handle and from www.ebay.com

Both valves have 15mm inlets. Pressure via gravity is roughly calculated as the distance in m from the cold tank to the head of the shower div by 10. But, whether you need it or not depends on how much water the heads need to provide decent spray.

The Key To Identifying The Difference Between The Two Sizes Of Valve Cartridges Is By The Shape Of The Cotter Pin (Fig.2).

1/2 inch pipes are delivering more that. Consulting the type l copper friction loss table we find that if we supply this shower with a 1/2 line the velocity of flow would be 13.80ft/sec and the pressure loss would be 67.72psi/100ft of pipe. 1 way output thermostatic brass shower faucets wall mounted cold&hot water mixing valve mixer tap thermostatic shower valveitem:

This Involved Creating A Recess In The Wall Before The Shower Is Tiled, Where The Pipes Of The Valve Are Fitted.

The most accurate way to identify the valve cartridge is to know the model number of the valve itself. My plumber then said he could connect a 3/4 cold water supply to the thermostatic valve (but the hot water is 1/2 because that maybe could help. What is the benefit of a 3/4 shower valve outlet over a 1/2 shower outlet (or vice versa).

I Selected Grohe Hardware And Wanted To Know If I Should Go With The 1/2 Or 3/4 Since I Will Have A Rain Shower, Hand Held Unit, And 4 Jets.

Using a ¾” shower valve, you get 20 gallons of water per minute with the same kind of pressure. Nope just normal shower fixtures and free standing tub. A fixed showerhead, a handheld and an 8 rainhead along with a grohe thermostatic valve.

What Youâre Doing Is Increasing Volume Not Pressure Which Is What You Want.

In that scenario, with a ½” shower valve, you can expect to get around 12 to 13 gallons per minute from your shower. At your faucets you really reducing. The hot and cold water taps are turned on to mix the water to the correct temperature.

There Are Also 2 And 3 Control Systems That Separate Out These Functions.

A 3/4 mix valve with 3/4 pipe can flow 16 gpm, which would supply up to 7 shower heads. Running 3/4 piping from the 1/2 feed will slightly decrease the pressure loss, meaning you'll get more pressure at your fixtures, but the difference will probably be very small. You will wait twice as long for hot water with 3/4 as you would with 1/2.

Share This Post