Make shift water pump

• #0 Reply
  Posted by Steamburns on 06 Mar, 2024 10:26
• Quote from: parallelmotion on 06 Mar, 2024 09:56

  Only 1 ball bearing which acts as a check valve an the intake side.
  

  
  What prevents blowback of the water from the boiler?   When I open that valve it shoots out through the pump stick onto the eccentric.   I guess seals?
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