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Both new and refurbished are available from various vendors. The last Ewards refurb pump I bought (250L) was around $5k if I remember correctly. I'm not sure on a new one.I am considering the purchase of a used HP 5970. Are there original replacement turbo pumps available? If so, what would be a ball-park cost? Are there replacements available from other turbo pump manufacturers that would fit in the 5970?