December 05, 2022 The Great Hydronics Debate - PHC News Article by Cody Mack, National Training Manager, Caleffi North America As featur... Read more
June 29, 2022 Have you discovered our HYDRONIC TOPICS on the Ask Caleffi Blog? Greg and Dan share commonly asked questions from the Ask Caleffi Blog. During this episode, th... Read more
November 10, 2021 What's wrong with my actuator? It seems that hydronic zone valves have been around forever. They are pretty bulletproof! But ... Read more
July 07, 2016 What is this "L" long press fitting for? The new long 3/4" press tailpiece was developed mainly for two purposes: 1) the need ... Read more
May 06, 2016 How do I use this slip nut that comes with some of your tailpiece fittings? A slip nut is used to connect a tailpiece to a valve body when the nut inside diameter is too small ... Read more
April 26, 2016 Can I get your zone valve with a sweat connection on one end and NPT on the other? Yes, you can! The Caleffi Z2 and Z3 valve bodies are available with 1" male union (straight) t... Read more
December 15, 2015 Does Caleffi have zone valves that are compatible with domestic hot water? Yes, we do! Domestic hot water is sometimes used for heating applications; for example, the heat emi... Read more
May 14, 2015 How do I wire a floating control actuator? The 6440 Series actuator from Caleffi accepts a "floating" (a.k.a. 3-position) c... Read more
April 01, 2015 How do press fittings work? Caleffi Presscon™ press fittings make installation and maintenance of our products fast, ... Read more
October 30, 2014 Servicing The Z-one™ Valve Body One of the best features of Caleffi's Z-one⢠valves is complete serviceability throu... Read more
October 09, 2014 Tech Tip: Z-one™ Relay Wiring Guide Earlier this year, we released our new line of Z-one relay controls. We are very excited about the l... Read more
October 07, 2014 Is valve Cv important for on/off control? For on/off control, it is common practice to select a valve with connections that are the same size ... Read more