Kundeanmeldelser for VEVOR varmeveksler, 5"x 12" 80 plater loddet platevarmeveksler, kobber/316L rustfritt stål vann-til-vann-varmeveksler for gulvvarme, vannoppvarming, snøsmelting, ølkjøling
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Darren Mr.
Awesome equipment. This is the first time I use a flat plate heat exchanger. It performs way beyond my expectations! The 5 x 12 x 50 plates has NO trouble transferring 500,000 Btu per hr at about 30 gpm and 33 ⁰F temperature change on the boiler side. I am running the floor circuit through the other side at 13 gpm and 77 ⁰F temperature change. I believe the transfer efficiency is 95% or better. It is much heavier than I expected. That is a good thing! Nice and solid. Clean, precise threads. No leaks. I used Hydraulic Female Pipe Thread Swivel fittings as compact, sealant free, leak free, connections.
Very happy! Would definitely buy again.
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Earl renwick Owner
Working as should
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Derby Radiant heat upgrade
Put heat in our new garage/workshop floor. Wanted to use antifreeze there. All worked well in our 20 below days. Will see how all holds up.
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Bauchet Facture
Bonjour
Serait-il possible d'avoir une facture pour cet achat
Merci.
Nous sommes une association et avons besoin d'un suivi comptable rigoureux.
Dans l'attente de votre retour..
Cordialement
Mr Bauchet
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NBSP not NPT NBSP not NPT
The unit is very nice, the brazing looks good and the straps are useful. However, it s NBSP (straight) not NPT for all of the 4 connections. NBPS is very hard to get a good seal to NPT, and also results is almost no thread grab. I am taking off 4 stars because of this so people are aware of the NBSP vs NPT issue. If you are installing in a location where some leaking is OK, this is the unit for you! Left is stainless nipple (with taper) right is unit (no taper).
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bad machine work faulty item
I have ordered many things from Vevor and never had any issues until this order. This would be a quality piece if the fittings were machined correctly. The correct NPT fittings would not thread on to this heat exchanger. I contacted Vevor about the issue and they offered to refund about 1/3 of the price, I refused and they offered about 2/3, I refused and they refunded me 2/3 anyway. I told them that wasn't acceptable and they then offered to refund the remainder if I confirmed but they closed the chat and I wasn't able to confirm. I didn't have to confirm the first refund so I don't know why I had to confirm the second refund. I had to start another refund ticket and they promptly responded that they issued the refund but that hasn't happened yet.
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DOC CFO
WE NEVER RECEIVED THIS SHIPMENT. IS THIS A FRAUDULENT COMPANY? WE WANT OUR MONEY BACK.
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