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. Want to hear YOUR QUESTION on Ask Caleffi?  Take this quick 4 question survey for your chance to hear your question in a future episode. Survey: https://forms.gle/fRfnU8Px3B1Lq7K69 Thanks...

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.  They'll dig into how flow is controlled in the valve, what causes temperature creep, and tankless water heaters and their implications with these valves.  Learn about laminar flow, pressure drop,...

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 dangerous, what causes it to proliferate and how is it contained?  He discusses dead legs in potable water piping systems and explains how water becomes "old."  Not...

Want to hear YOUR QUESTION on Ask Caleffi, take this quick 4 question survey for your chance to hear your question in a future episode. Survey: https://forms.gle/fRfnU8Px3B1Lq7K69 Thanks for the sound effects! www.freesfx.co.uk

In Episode 12, so I'm supposed to select a thermostatic mixing valve for a tank-type water heater; how do I figure out what to provide, where do I start? Greg and Dan will give you the straight scoop to help make your decision easy and make you look good in your customer's eyes. Your customer's domestic water system is not delivering heat correctly.  What do you do?  You listen in to this episode of the Ask Caleffi podcast where Greg and Dan discuss ASSE 1017 (not to be confused with...

In episode 11, Greg and Dan discuss how hydronic zone valves have been around forever, it seems. They are pretty bulletproof but I do hear about end switches failing; what's the issue there? What do I need to know before I wire one up? Want to hear YOUR QUESTION on Ask Caleffi, take this quick 4 question survey for your chance to hear your question in a future episode. Survey: https://forms.gle/fRfnU8Px3B1Lq7K69 Thanks for the sound effects! www.freesfx.co.uk

In episode 10, What exactly is a scald-protection valve, and is it different from the mixing valve on a water heater? Learn about how they work, where they are used, and why they are so important in the industry. Thanks for the sound effects! www.freesfx.co.uk

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 take our audience through a step-by-step...

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...

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...

Episode 6: Understanding the concepts of balancing a multi-circuit hydronic or domestic hot water system is easier when you know how different balancing valves work and where to apply them. Greg and Dan make it easy.

Episode 5: 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 story from Greg and Dan.

Episode 4 focuses on the importance of having magnetic technology built into dirt separators. Highly efficient "dirt" removal, including both non-ferrous and ferrous (magnetic), is critical to protect today's high-efficiency heat exchangers and...

Episode 3 picks up where Episode 2 left off, to explain Air Separators. There is more to know about a separator, which has an air vent on top. Where the separator should be installed in the hydronic system, how it works, and how to select the right size...

Episode 2 gives the listener an overview of what an air vent is, and what is it not. It explains how air vents are different from air separators and where air vents are installed. Caleffi's wide variety of air vent product families are introduced and...

Dedicated to our commitment to providing Excellence in Education, Caleffi North America is pleased to introduce the Ask Caleffi podcast series.  The podcast makes its debut on Tuesday, March 2, 2021, and features our technical support wizards, Greg...