Condensate receiver

Paul S_3 · November 6

Hey guys. Hope all is well.I've always wondered why there were large piping/receivers where all the wet returns connected before the condensation pump. I've never read about it in Dan's books maybe i missed it. I've heard its for excess condensate to collect so it doesn't flood the boiler. So just for clarification can a boiler feed tank/pump be used instead of the large pipe/receiver if the system already has a condensation pump? Also when would this be used in a gravity return system? Ive heard it can be used when removing 2 large boilers and installing one boiler in there place. basically theres too much condensate returning and would flood the boiler. Im working on a job now that we have to replace this 10" pipe/receiver where the 5 return lines connect. The 2in pipe on the right of the pipe/receiver goes into a condensate pump.

Steamhead · November 6

Is the condensate pump operated by a float switch in the receiver tank, or a water-level control on the boiler?

Paul S_3 · November 6

Float switch in the receiver tank

Pumpguy · November 6

Ultimately, this depends on the water storage capacity of the boiler(s) and the amount of steam needed to fill the system.

Back in the day, the boiler(s) were big enough to store enough water so they didn't need to take on outside make up water before the steam / condensate flow reached equilibrium.

This is not true for today's much smaller boilers, so they need a boiler feed tank and pump set to store the make-up water and feed the boiler on an as needed basis.

Condensate receiver

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