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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

The heat is on... but for who?

September 03, 2021

It can be a time-consuming project to troubleshoot why a zone relay board doesn't "appear" to be working, especially when the heat is literally ON for the contractor, but OFF for their customer. Greg and Dan - our Ask Caleffi Podcast...

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September 03, 2021

Ask Caleffi Podcast Zone Relay Controls

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...

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August 26, 2021

5 Things You Need To Know Domestic Hot Water Systems

No pressure... but what's THAT noise?

August 26, 2021

Why is my pressure reducing valve rattling, hammering.... screaming?? Greg and Dan take a new spin in this episode of the Ask Caleffi podcast series, inviting you into a "customer" technical support call in order to troubleshoot the problem. They will discuss how a PRV should be sized (based on pipe size?). Is...

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August 26, 2021

Ask Caleffi Podcast Pressure Reducing Valves

Why is this backflow preventer dripping?

August 17, 2021

The backflow preventer is a misunderstood piece of hardware in hydronic systems. "My backflow preventer has failed. It's dripping. What should I do?" It's easy to replace it.... but, has it really failed? Likely the backflow preventer is doing it's job! The culprit? Debris stuck in the...

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August 17, 2021

Filling and Backflow Prevention

Debris Lurking in Your Hydronic System

July 16, 2021

Got 5? Minutes that is! Then you've landed in the right place on our Ask Caleffi Blog. In this episode of the 5 Things You Need to Know - a mini training series featuring Cody Mack, our training and education manager - symptoms, problems and SOLUTIONS regarding debris in your hydronic system are discussed. ...

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August 26, 2021

5 Things You Need To Know Air and Dirt Separation Hydronic Principles Magnetic Separation

"The path of least resistance." Do I really need a balancing valve?

June 29, 2021

Understanding the concepts of balancing a multi-circuit hydronic or domestic hot water system is less complicated when you understand how different balancing valves work and where to apply them. Listen in as Greg and Dan help make your balancing job easier!...

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June 29, 2021

Ask Caleffi Podcast Balancing Valves Domestic Hot Water Systems Hydronic Principles

Hydraulic Separators. Better than your Grandpa's closely-spaced tees?

June 24, 2021

Hydraulic separators not only simplify hydronic piping and save installation time compared to closely spaced tees, they can also remove air and dirt to become a money-saving, multi-purpose device. Get the whole closely-spaced tee story from Greg and Dan in Episode 5 of the Podcast. ...

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June 24, 2021

Air and Dirt Separation Ask Caleffi Podcast Hydraulic Separation

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