Conshelf ID

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StefinSB

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Hi, I got my hands on what apppears to be a Conshelf IV but the plastic knob just says US Divers. 4 LP Ports, 1 HP port with modern thread sizing. Serial number is: BBB3596. On my other Conshelf the serial # starts with xx- , with xx indicating year if manufacture. What do I have?
 

StefinSB

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Sounds like a Conshelf 21 or 22. Same internal service parts as a XIV.
Thanks. Yes I do realize the service parts are the same and I already performed the service. Just curious to know what model it is and when it was born.
 

richmonddiver

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Hi, I got my hands on what apppears to be a Conshelf IV but the plastic knob just says US Divers. 4 LP Ports, 1 HP port with modern thread sizing. Serial number is: BBB3596. On my other Conshelf the serial # starts with xx- , with xx indicating year if manufacture. What do I have?
FWIW I have a Conshelf 22 that I purchased new about a two decades ago. It has the same port configuration and thread sizing. The knob is plastic and says US Divers. The serial number is ZMB0843. I agree with GJC, it is probably a 21 or 22. The Conshelf 14 has the same port configuration, but would probably wouldn't have US Divers on the knob.
You might find this link useful:
Ultimate Conshelf Model Guide - Vintage Double Hose
 

StefinSB

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Cool. Looks like I got a Conshelf 22 as it has 4 LP ports. Thanks guys.
 

buddhasummer

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FWIW I have a Conshelf 22 that I purchased new about a two decades ago. It has the same port configuration and thread sizing. The knob is plastic and says US Divers. The serial number is ZMB0843. I agree with GJC, it is probably a 21 or 22. The Conshelf 14 has the same port configuration, but would probably wouldn't have US Divers on the knob.
You might find this link useful:
Ultimate Conshelf Model Guide - Vintage Double Hose

My late model, late production 14 has "US Divers Conshelf 14" on the knob.
 
https://www.shearwater.com/products/perdix-ai/

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