Blog: Mixing Valves, Thermostatic

120...130...140. Oh no! Why are these numbers important?

September 14, 2021

In this Episode Greg and Dan - our Ask Caleffi Podcast hosts - discuss what a scald-protection valve is and why they are SO important (protection protection protection!). What temperature of water is safe? Dangerous? Who is most at risk? Are there applicable industry guidelines (hint: ASSE 1070)? Learn about how they work,...

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September 14, 2021

Ask Caleffi Podcast Mixing Valves, Thermostatic

Can the 5212 Series SinkMixer™ be used with a sensor faucet?

May 14, 2020

You will find that a sensor faucet is a touchless faucet that does not give you the option to control the outlet temperature of the water at the fixture. The outlet temperature is preset using an ASSE1070, tamper proof, point of use mixing valve...

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May 15, 2020

Domestic Hot Water Systems Mixing Valves, Thermostatic

What is the maximum flow rate for a thermostatic mixing valve?

April 22, 2020

Many thermostatic mixing valve manufacturers, including Caleffi, specify minimum GPM flow rates for their thermostatic mixing valves, to assure control accuracy at the low end, but don't always specify a maximum flow rate. Instead, a graph showing flow rate versus pressure drop is shown in the literature. You might be tempted to look at the top end of the...

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February 11, 2021

Mixing Valves, Thermostatic

How does thermal disinfection kill Legionella bacteria?

April 21, 2020

There is plenty of information on the web about Legionella bacteria and why it is such a huge health issue in building water systems. It's a hot topic! Some plumbing engineers, designers and other industry professionals have some very specific questions on the subject. For example, "What is the best way to kill...

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April 24, 2020

Domestic Hot Water Systems Mixing Valves, Thermostatic

Where would I use the 5212 Series SinkMixer™?

April 20, 2020

The 5212 Series SinkMixer™ is the perfect selection for that under sink application where the load requirement is from 0.35gpm to 2.3gpm. It is convenient with the for 3/8" compression...

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April 22, 2020

Domestic Hot Water Systems Mixing Valves, Thermostatic

Temperature creep in hot water recirculation

December 14, 2018

We get a lot of tech support calls asking about proper piping of a point-of-distribution master mixing valve when a domestic hot water system has a recirculation pump. Unfortunately, there are a LOT of incorrectly piped systems out there, resulting in either temperature creep or temperature droop in the recirculation piping...

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December 17, 2018

Mixing Valves, Thermostatic

What is this "L" long press fitting for?

July 07, 2016

The new long 3/4" press tailpiece was developed mainly for two purposes: 1) the need for a 3/4" press fitting with integral check valve and 2) to provide an installer extra "lay length" to work with when replacing an old zone valve body, for example. The Presscon...

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July 07, 2016

Mixing Valves, Thermostatic Zone Valves and Radiator Valves

Can I add check valves to your 521 Series Thermostatic Mixing Valves?

June 15, 2016

Caleffi offers a wide selection of models with and without check valves for your convenience to compliment the 521 Series Thermostatic Mixing Valve family. Models with checks have a "...C" suffix, for example...

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June 16, 2016

Mixing Valves, Thermostatic

Blog: Mixing Valves, Thermostatic

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