?Antiscald valve?

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by nucscott, Mar 16, 2005.

  1. nucscott

    nucscott New Member

    Mar 16, 2005
    I recently bought a house with an oil furnace without a separate water heater and the water is way too hot. I asked our service guy how to decrease the temp, he suggested that I buy a separate unit that attaches to the furnace for about $1200.00. I asked if there was some kind of simple anti-scald valve he could add, but he said they are $200 and only last about 2 yrs. He did not recommend one. I am not sure if this guy was being honest or if he was just trying to make a big sale. Does anyone know if there is a simple inexpensive fix for this or do I have to drop the $1200? Has anyone used an antiscald valve in this situation?

  2. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona

    Most installations like yours have them, because there is no way to accurately control the water temperature coming from the heater. There are many types and the prices reflect the degree of accuracy and to some extent the longevity of the valve.
  3. Sponsor

    Sponsor Paid Advertisement

  4. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Sep 2, 2004
    Retired Systems engineer for defense industry.
    New England
    Basically, you've got a couple of things you can do. A tempering valve is normally used. These, as HJ indicates come in different quality versions. It automatically mixes cold water to the output if it exceeds the user setting. The quality of this setting varies alot from my (very) limited experiend (I'm not a pro). An alternative, and that would probably be the $1200 item, is an indirect hot water heater tank. This tank looks similar to a "standard" hot water heater, but instead of having its own heater (gas or electric), has a separate zone valve and (maybe) a pump that gets heat from your boiler. I don't think that a tempering valve would cost anywhere near $1200 to install (or replace, since you probably already have one), but to add an indirect tank could. One brand is SuperStor.
  5. Master Plumber Mark

    Master Plumber Mark Master Plumber

    Feb 6, 2005
    Sensitivity trainer.. plumber of mens souls
    indianapolis indiana - land of the free, home of
    simmons termpering valve

    this is a commercial tempering valve that lasts forever, and are pretty reliable. All you go tto do is tie in cold water to one side and the hot water to the other, then set the dial on the front of it to where you want the hot water in your house to be ..

    its pretty reliable and is used in many applications

    the actual valve is about $650-to 750 what he would charge to install this is another stroy.
  6. jimbo

    jimbo Plumber

    Aug 31, 2004
    San Diego, CA
    What is the brand and model of that $700 valve?
  7. yitzie

    yitzie New Member

    Mar 15, 2006
    easy cheaper solution

    www.antiscald.com sell devices that you can install yourself in 1 minute and will shut the flow of water if it exceeds 120 degrees. check it out. :)
Similar Threads: Antiscald valve
Forum Title Date
Plumbing Forum, Professional & DIY Advice Old valve seat on freeze proof silcock Monday at 9:31 AM
Plumbing Forum, Professional & DIY Advice Mixing valve problem...is it me or the valve(s) Oct 12, 2017
Plumbing Forum, Professional & DIY Advice 1995 Delta Shower Valve Confusion Oct 8, 2017
Plumbing Forum, Professional & DIY Advice 1929 Standard Shower Valve and Cover Wanted Oct 7, 2017
Plumbing Forum, Professional & DIY Advice Water Valve Behind Refrigerator Oct 5, 2017

Share This Page