1. Revain processed the order about 5 days before it was shipped, when it finally shipped I received it the next day.2. A two-threaded fitting on the filter head was leaking, using plastic adapters they snug against the flange and wouldn't stop flowing, replaced them with zinc-plated shoulderless nipples and used a teflon pipe additive instead of duct tape and the block stopped flowing. Most importantly, even the nipples are fully seated within the body with no visible threads, which to me would suggest the female threaded connections are not properly formed or machined.3. I have to thank Amanda at iSpring for getting back to me right away and offering to replace the device: that was great customer service. I really want to emphasize that this is an exceptional case in our time4. The price of this unit (like other brands) is very high for what it is, three filter housings and three filters shouldn't cost more than $500, it doesn't seem logical.
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