Blog: Domestic Hot Water Systems

Why does recirc creep occur in DHW systems? (with Cody Mack)

June 26, 2022

Greg and Dan invite "the dynamo of donut testing" to the series, the one and only Cody Mack. Recirc creep is something that plumbers no doubt experience. But, what is recirculation creep, when does it occur, what are the symptoms and - most importantly - what is the solution for your domestic hot water system? They'll...

Last modified:

July 17, 2022

5 Things You Need To Know Ask Caleffi Podcast Domestic Hot Water Systems Mixing Valves, Electronic Mixing Valves, Thermostatic

Plumbing Session! What Are The Most Common Questions?

June 23, 2022

What tech support questions does Caleffi get over and over again? You might be surprised! What to do with air trapped in a plumbing system? Can I install a thermostatic mixing valve upside down? Why is this pressure reducing valve over-pressurizing the system? Listen to Greg and Dan explain these and more. Thanks for tuning in!...

Last modified:

July 14, 2022

Ask Caleffi Podcast Domestic Hot Water Systems Mixing Valves, Thermostatic Pressure Reducing Valves

Installing or Troubleshooting a Mixing Valve. Why not give us a call?

June 21, 2022

You're ready to install a thermostatic mixing valve. Interested in pointers to make your install be successful? OR... you've got a mixing valve installed and it's not working. Now what? From the "before" call to the "oh, no!" call, Greg and Dan are here to make you successful with your customer. ...

Last modified:

June 22, 2022

Ask Caleffi Podcast Domestic Hot Water Systems Mixing Valves, Electronic Mixing Valves, Thermostatic

What is Legionella and how is it controlled in DHW systems? (with Kevin Freidt)

June 19, 2022

Greg and Dan welcome Kevin Freidt, Caleffi Director Product Management & Technical Support (a..k.a. The Dr. of Disinfection) to the microphone. They explore the fascinating topic of Legionella bacteria and its impact in domestic hot water systems. Kevin starts with "bug basics": where does the bacteria originate, when is it...

Last modified:

June 22, 2022

Ask Caleffi Podcast Domestic Hot Water Systems Mixing Valves, Electronic

Why is thermal balancing important in DHW systems?

April 27, 2022

Thermal balancing in Domestic Hot Water systems. Why is it necessary? (hint: water moves into the path of least resistance) What's the difference between manual and automatic balancing valves? Where are the valves installed? How are these special valves maintained? (ahem.... water quality is key!) Greg...

Last modified:

April 27, 2022

Ask Caleffi Podcast Balancing Valves Domestic Hot Water Systems

How do I choose the "RIGHT" mixing valve for my POD app?

April 07, 2022

Your customer's domestic water system is not delivering heat correctly. What do you do? You listen into this episode of the Ask Caleffi podcast! Greg and Dan discuss ASSE 1017 Point-of-Distribution valves (not to be confused with ASSE1070!) and how to size them. They stress the importance of understanding a thermostatic mixing...

Last modified:

April 07, 2022

Ask Caleffi Podcast Domestic Hot Water Systems Mixing Valves, Electronic Mixing Valves, Thermostatic

Stagnant Water, Beware!

November 30, 2021

Continuing with Southern PHC's Legionella bacteria thermal disinfection series, we are ready for the last line of defense. In the past issues we have discussed point-of-distribution mixing valves and thermal balancing valves. These devices are great at...

Last modified:

December 07, 2021

Domestic Hot Water Systems Mixing Valves, Thermostatic Articles

Recirc Creep

August 26, 2021

In this episode of 5 Things You Need to Know - a mini training series featuring training and education manager Cody Mack, temperature creep and why it occurs in domestic hot water recirculation is explored. Cody...

Last modified:

August 26, 2021

5 Things You Need To Know Domestic Hot Water Systems

Blog: Domestic Hot Water Systems

Subscribe to Ask Caleffi