Ask Caleffi

Caleffi North America, Inc.
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Welcome to the Ask Caleffi podcast series featuring our tech support wizards, Greg Tubbs and Dan Firkus! They will discuss tricky heating and plumbing system problems they are tasked with solving daily and share insights from the field to help contractors discover the best way to work through tough jobs. Count on this dynamic duo to keep the series fun as they mingle in their own entertaining and relatable stories.

  1. #1.5 Pressure Reducing Valves: One, Two, or Too Much?

    09/09/2025

    #1.5 Pressure Reducing Valves: One, Two, or Too Much?

    Which pressure reducing valve is right for your plumbing system? Sometimes PRVs require two valves in series. Hear how the guys get the pressure right in all sorts of applications, from sea to shining sea.

    17 phút
  2. #1.4 Overpressurized Again: What Went Wrong?

    26/08/2025

    #1.4 Overpressurized Again: What Went Wrong?

    Steady plumbing system pressure is the goal, what do you need to check if the pressure is creeping up? The team discusses the different types of municipal and private systems that bring pressurized water to buildings. Each water service is unique and PRVs can smooth out the delivery. Also, hear what type of debris the guys have found in the inlet screens in the field.

    19 phút
  3. #1.3 Get Ahead This Heating Season : How do you protect your most expensive components?

    11/08/2025

    #1.3 Get Ahead This Heating Season : How do you protect your most expensive components?

    There are always rabbit holes in hydronic startups. Find out how the team deals with the tricky task of keeping a hydronic system in good shape. Fluid quality and high-performance separators are key. Over the years, the guys have built 1,000 machines that will help in the process, tune in to hear what they are.

    21 phút
  4. #1.2 Pumps, Valves, and the Zone Debate: Why do we still see oversized pump systems, and what’s the smarter way to zone in?

    22/07/2025

    #1.2 Pumps, Valves, and the Zone Debate: Why do we still see oversized pump systems, and what’s the smarter way to zone in?

    Zoning options can be overwhelming, because there are so many choices and no two projects are the same. The team walks through the different zone valve and zone relay technologies you will run across in the field. Hear how you can set yourself up for simple installation and service.

    17 phút
  5. #1.1 AutoFill™️ for speed: What makes a hydronic fill valve multi-purpose?

    08/07/2025

    #1.1 AutoFill™️ for speed: What makes a hydronic fill valve multi-purpose?

    The team is in the lab to talk about the best way to fill a hydronic system. They break these fill valves down and share stories from the field. Find out what questions you should ask your customer to determine if you should leave the AutoFill on or off.

    22 phút
  6. #43 Air-Tight-Logic with Posi-Stop (with Matt DeLuca)

    29/08/2023

    #43 Air-Tight-Logic with Posi-Stop (with Matt DeLuca)

    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?   Former service plumber and current Caleffi tech. support ace Matt DeLuca joins the guys today to talk about Posi-Stop as a first-time guest on the podcast.  There are many tips and tricks that plumbers use in the field to get fittings to seal.  No need for creativity or guesswork with Posi-Stop.  An EPDM O-ring seal compresses to a controlled value by way of a positive metal-to-metal stop.    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

    10 phút
  7. #42 Get In the Zone! (with Mike Schreiner)

    18/07/2023

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

    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 Caleffi audience learn: What's important when considering a zone valve?  How do you properly size?  What is the flow coefficient (a.k.a. Cv or differential pressure) and why is it important?  BTW:  there is a BIG difference between close-off pressure and system pressure!  Zone valves and actuators... say what?  In which application is a 2-way valve best used?  A 3-way?  How are end switches applied?  What's the difference between a micro-switch and a Reed switch?  Normally Opened.  Normally closed.  Why Z-one? (one valve for ALL!)  Valve versatility with union connections.  How about relay boards?  (you CAN'T wire a zone valve wrong with a relay board!) All this and MORE when you Get in the Zone with Mike!

    27 phút
  8. #41 When does solar thermal make the most sense? (with Bob Rohr)

    28/02/2023

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

    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 systems?  How do you evaluate a site to know if the location is good for solar? In this episode, Greg and Dan are joined by Carlson-Holohan Industry Award of Excellence winning Caleffi Training Manager Bob Rohr.  Over his career, Bob has been all over North America to help install, commission and educate about solar thermal systems.  The team will talk about when and where financial incentives have helped offset the cost of these systems.  They also discuss resources to help evaluate potential sites for solar.  For rebates specific to you zip code, check https://www.dsireusa.org/      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

    26 phút
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Giới Thiệu

Welcome to the Ask Caleffi podcast series featuring our tech support wizards, Greg Tubbs and Dan Firkus! They will discuss tricky heating and plumbing system problems they are tasked with solving daily and share insights from the field to help contractors discover the best way to work through tough jobs. Count on this dynamic duo to keep the series fun as they mingle in their own entertaining and relatable stories.

Thông Tin

  • Nhà sáng tạo
    Caleffi North America, Inc.
  • Năm hoạt động
    2021 - 2025
  • Tập
    48
  • Xếp hạng
    Thô tục
  • Bản quyền
    © 2025 Ask Caleffi
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    Ask Caleffi