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Home » mixing valves

Articles Tagged with ''mixing valves''

Figure 1
The Glitch & The Fix: September 2025

Right & wrong: Examining common design pitfalls, and how to optimize piping strategies

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
October 1, 2025

These are common design pitfalls that may seem effective as they are. Review them and identify changes that could enhance the layout.


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Figure 1. The inside portion of a heating system supplied by a non-pressurized outdoor wood-fired furnace.
The Glitch & The Fix

Installation nightmare — how many problems can you spot?

November 27, 2024

The photo in Figure 1 shows a non-pressurized outdoor wood-fired furnace connected to a floor heating subsystem via two PEX tubes. It includes a cast iron circulator, a thermostatic 3-way valve for mixing, a bypass linking supply and return tubes, and an "expansion zone" for another floor heating circuit. This setup is in a multi-million dollar home. Are there any potential issues with the installation?


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Caleffi AutoFill.jpg

Caleffi automatic filling valve with backflow preventer

October 28, 2024

Caleffi's new AutoFill has a fill rate of 5.5 GPM and maintains stable system pressure, ensuring consistent results without the need for constant monitoring.


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August New Products: Powers Digital mixing valve
New Products

Watts announces IntelliStation 2 digital mixing valve

August 9, 2024

The IntelliStation 2 digital mixing valve is designed with an advanced valve for consistent temperatures across a wide range of flows from high to low demand.


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 3d rendering microscopic blue bacteria.

Mixing valves play a key role in water safety

Thermal disinfection is the safest, most cost-effective method for controlling bacteria within plumbing systems.
Sarah Scolari PE, CPD
May 16, 2024

Legionella is a concerning bacteria found in freshwater environments. When inhaled, it can cause Legionnaire's disease, a severe form of pneumonia, especially dangerous for those with weakened immune systems.


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April 2024 PM Matt Michel column feature image of water tap with hot water and steam.
Service Plumbing Pros | Matt Michel

Beating the scalding and legionella paradox

Plumbers can spot add-on opportunities while on calls to help protect customers.
Matt Michel
Matt Michel
April 2, 2024

Scalding remains a hidden danger lurking in homes across the United States, particularly impacting the vulnerable. The plumber can avoid the unintended consequences of simply lowering water temperatures.


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Hot water

Minimize the risk of scalding

Scalding: What is it and why it should concern you
Kimberly Manchester
April 14, 2023

Have you ever started your day thinking, “Ahh, coffee!” only to have it turn into “ouch!” as the steaming hot beverage hits the roof of your mouth? If so, you have experienced scalding. Luckily, the scald you experienced was (most likely) mild and, while quite painful, healed quickly and without the need for hospitalization or the prolonged medical treatment that is required for the nearly half a million people who experience scalding each year.


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HTP electric water heater
Product Focus: Water Heaters

HTP electric water heater

April 7, 2023

HTP Everlast Elevate is a flexible capacity water heater that includes an adjustable thermostat paired with an ASSE 1017-certified mixing valve.


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T&S Brass and Bronze Works compression thermostatic mixing valve

T&S Brass and Bronze Works compression thermostatic mixing valve

November 9, 2022

The new 3/8” compression thermostatic mixing valve features solid, low-lead brass construction and integral check valves to prevent backflow and crossflow.


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Watts July 29 Webinar.jpg

Watts to host webinar: The Evolution of Mixing Valve Technology

July 22, 2022

By attending the entire webinar, attendees can receive 0.1 Continuing Education Units (CEUs) through the American Society of Plumbing Engineers (ASPE).


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