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. 

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