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1930's VECO Vapor System. Boiler change and system upgrades.

JStarJStar Posts: 2,336Member ✭✭✭
Next week, we'll be replacing the steam boiler on a 1930's Vapor Engineering Company two-pipe system. We're going with a tandem arrangement; two boilers staged on both a two-stage thermostat and pressure. Each boiler will be fired at 60% of the total load, and alternate between being the High and Low fire boiler. We'll also be attaching a small baseboard loop and indirect tank to the high fire boiler, so we expect the run times to be fairly close to each other.



We'll be removing all of the radiator traps and installing orifice plates in each supply pipe (much thanks to Tunstall; their customer service is incredible).



The original venting is just a pipe in the chimney, as per the original VECO design. We'll be removing this and adding our own modern vents.



In the garage, we'll be removing a wall-hogging radiator and installing a new Modine steam unit heater.



There will be a bunch of other little odds and ends to repair around the system, as well as some custom made controls and goodies. I'll post pictures as the project goes on. Here are a few pictures of the original system.



http://www.heatinghelp.com/files/articles/1393/3.pdf
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