Single control tub flow pressure adjustment

Question

Oct 25, 2009, 12:32 PM

catkimball

New Member

Join Date: Oct 2009

Posts: 1

Single control tub flow pressure adjustment

When I take off the tub control handle, there are two copper screws - one for hot water and one for cold water. Which way to I turn the screws (clockwise/counter clockwise) to increase the flow mixture/decrease the flow mixture so that I can actually get a warm shower? There's too much cold water coming in and not enough hot water.

Answers

Oct 25, 2009, 03:54 PM	#2

speedball1 Senior Plumbing Expert Join Date: Jan 2003 Location: Sarasota, Fl. Posts: 18,989 Pay to call speedball1 for advice ($.95/min)	What's the brand name of your tub valve? Back to you, Tom

Oct 25, 2009, 04:08 PM	#3

massplumber2008

Plumbing Expert

Join Date: Jan 2008

Location: Boston, Massachusetts

Posts: 5,454

Hi all:

Catkimball... Those screws are just integral shutoffs. You want to open these to maximum by turning both screws COUNTERCLOCKWISE. This will allow full volume flow and correct pressure balance at your valve.

To increase the temperature of water available at the valve you will need to adjust the TEMPERATURE LIMITING DEVICE that is part of your valve...

In the picture below, for example, a SYMMONS shower valve has shutoffs (see image) and a temperature limiting screw. To increase temperature here, the screw is loosened in small increments to allow the handle to be turned to a hotter water setting.

To tell you more, as Tom suggested, we need to know the name brand on your valve...

Let us know...

MARK

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