What happens in the field when you need to loosen a union to service a valve? Do you always need to replace the sealing elements? How can the Posi-Stop™ embedded O-ring union system help? Which products are shipping now with Posi-Stop? Forme

#42 Get In the Zone! (with Mike Schreiner)

Jul 18th, 2023 27m 50s

In this episode, Greg and Dan talk to "the man, the myth, the legend" of zone valves, Mike Schreiner, Caleffi CTO. Mike has been working with zone valves for his entire career and is pleased to share his wealth of knowledge to help our Ask Ca

#41 When does solar thermal make the most sense? (with Bob Rohr)

Feb 28th, 2023 25m 53s

What drives the adoption of solar hot water systems? Are there specific factors that signal the beginning or end of a spike in system installations? Which applications are always a good fit? What qualifications do you need to work on these s

#40 The Future of BIM is Bright (with Woody Dickinson)

Dec 13th, 2022 22m 40s

Why should installers care about BIM (building information models)? Could BIM help you avoid working around other trades in a crowded chase? What efficiency gains are there with prefabrication? Can the files detect errors, before the product

#39 The Great Debates: Hydronic Topics That Will Start an Argument in the Shop

Oct 11th, 2022 18m 32s

Do I leave the air vent cap open or close it? Do you leave the AutoFill(TM) open or closed? Where should you put the expansion tank? Do you pump into the boiler or pump out of it? Hydro separator or closely spaced tees? Where should you pu

#38 An Industry Insider's Perspective (with Steve Smith from PHCPPROS)

Sep 6th, 2022 31m 33s

What has Steve Steve learned about the plumbing and heating industry since 1990? What happens at the MCE Mostra Convengo trade show in Italy? What part of the Caleffi factory reminded Steve of Raiders of the Lost Ark? How do you, "automate for

#37 The Ask Caleffi team welcomes a new member (with Matt DeLuca)

Jul 26th, 2022 17m 6s

How does Caleffi support a rapidly growing plumbing product offering? What makes a great troubleshooter? How do you train an apprentice in the first place? Where is the best place to work if you are a Brewers fan and also a journeyman plumbe

#36 Why is the plumbing pressure too high? (with Cody Mack)

Mar 8th, 2022 17m 26s

Where does the water come from? How do you know what pressure you need in a building? Are you over 80PSI? Are mountain states the only ones who have big fluxuations in municipal water supply pressures? What is a "noisy little guy?"In this ep

#35 Manifold filling, without the boredom?

Feb 22nd, 2022 13m 36s

How do you fill a radiant system with the least amount of headache, in order to get the air out? Should you flush through the boiler side? What takes the least amount of time? When is a fill cart helpful? Is street pressure water enough to p

#34 Part 2: Who is the DHW Recirculation Detective of Denver? (spoiler alert, it is Mark Eatherton)

Feb 8th, 2022 15m 17s

DHW recirculation systems can cause a lot of headaches, if not operating properly. Quick troubleshooting is essential, especially in the multi-family sector. How do you know what needs to be fixed? What questions do you need to ask occupants

#33 Part 1: Who is the DHW Recirculation Detective of Denver? (spoiler alert, it is Mark Eatherton)

Jan 25th, 2022 29m 9s

#32 What are the top 5 hydronic expansion tank questions? (with Cody Mack)

Jan 11th, 2022 14m 50s

An expansion tank is a very simple hydronic system component, yet it can cause complex troubleshooting woes. Improper charge expectations, waterlogging and sizing can all play a role. How can you determine if the expansion tank is the culprit

#31 DHW recirculation, in a perfect world?

Nov 23rd, 2021 20m 50s

There are a lot of boxes to check to install and maintain an ideal DHW system. Don't worry! The guys can walk you through it. How do you verify a DHW system has been balanced properly? Which circulators pair best with thermal balancing valv

#30 What's new about DIRTMAG® PRO?

Nov 2nd, 2021 13m 21s

Pioneering high-performance magnetic separation, Caleffi North America has recently introduced DIRTMAG PRO. Do you know what's new about this device? Why is it essential to remove BOTH ferrous and non-ferrous debris from your hydronic system?

#29 Is a clean and check more than a heat exchanger scrub?

Oct 19th, 2021 16m 2s

Heating season is here! Don't panic. Dan and Greg shine a light on the components that keep your boiler running well. A clean and check should include more than a speedy look at the heat exchanger. How important is communication with the ho

#28 What are the INs and OUTs of heat exchangers? (with John Siegenthaler)

Oct 5th, 2021 39m 44s

John 'Siggy' Seigenthaler guest stars on an episode dedicated to all things heat exchange. How do you know which type of heat exchanger is best for your application? How do you keep them clean and operating efficiently? What is a convection

#27 What is the Art and Science of PEX manifold locations? (with Max Rohr)

Sep 14th, 2021 29m 52s

Our Ask Caleffi team phones a friend to talk about PEX connections and manifolds. Where do you locate a manifold? Which fitting systems work with which types of PEX? What is the difference between plumbing PEX and heating PEX? Want to hear

#26 Who you gonna call?

Aug 31st, 2021 15m 9s

Our Ask Caleffi team encourages you to think outside of the box on that next service call. They share tips that work at getting YOU to the root of a service problem without wasting time and money. They share their favorite technique: "Phone

#25 Why use radiant heating & cooling? (with Max Rohr)

Aug 17th, 2021 24m 8s

Max Rohr, "a long-time listener and first-time caller," joins Greg and Dan during this Episode of the Ask Caleffi podcast. Max shares his well-earned experience with radiant heating and cooling systems, placing a magnifying glass on PEX. He d

#24 How do I measure energy consumption?

Aug 10th, 2021 11m 45s

Energy metering. Is that EASILY accomplished? Are there well suited applications for metering AND can a building owner be confident about energy consumption? (YES!) Greg and Dan, our Ask Caleffi gurus, talk about energy metering during this

#23 How can I protect a boiler system from condensation?

Aug 3rd, 2021 13m 11s

Straight from the Ask Caleffi Podcast studio, Greg and Dan dive into boiler protection. Let's face it when high-temperature, mid-efficient boilers condense... it's a mess! How can that be prevented? Greg and Dan talk about solutions, includi

#22 5 Things You Need to Know About Why Your PRV Screams (with Cody Mack)

Jul 27th, 2021 21m 42s

A return guest joins Greg and Dan during this Episode: Cody Mack, Caleffi training and education manager. They get right to the point as they dig into perplexing PRV behavior. You'll learn:1. Got noise? How to size a PRV CORRECTLY.2. Step

#21 Have you discovered our PLUMBING TOPICS on the Ask Caleffi Blog?

Jul 20th, 2021 12m 27s

Greg and Dan share commonly asked questions from the Ask Caleffi Blog. During this episode, they will zero in on plumbing products. You'll learn:→ Can you install a 121Series FlowCal upside down?→ What is the maximum flow rate of a thermostat

#20 Have you discovered our HYDRONIC TOPICS on the Ask Caleffi Blog?

Jul 13th, 2021 11m 4s

Greg and Dan share commonly asked questions from the Ask Caleffi Blog. During this episode, they will zero in on heating products. You'll learn:→ Can I add an air vent onto a Caleffi dirt separator?→ How do I determine head loss in a hydrauli

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

Jul 6th, 2021 17m 54s

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 i