Steam and hot water heat - whats the best way to do this

Unknown

There is an existing 5 section Arco steam boiler with 2 zones of heat off a sidearm coil - one zone is baseboard , one zone is radiant . The steam side consists of two 2 inch headers that wrap the house , but they only supply 4 radiators . The customer is adding on another 1200 sq ft addition , and will heat it with 2 more zones of baseboard . There is a gas heater for hot water

What would you think is the best way to upgrade the house - One steam boiler with a sidearm for the water zones ? Or a steam boiler with a coil and storage tank for the water heat ? Maybe an indirect in the same application ? Changing the whole house to water heat would be tricky , so we are trying to make that a last option .

I would think a smaller steam boiler rated just for the steam side , and a separate water boiler for the 3 water zones and radiant zone would be the best bet - but I wanted to run this project through the experts . Thanks in advance .

Unknown

I'm with you, Ron

> There is an existing 5 section Arco steam boiler

> with 2 zones of heat off a sidearm coil - one

> zone is baseboard , one zone is radiant . The

> steam side consists of two 2 inch headers that

> wrap the house , but they only supply 4 radiators

> . The customer is adding on another 1200 sq ft

> addition , and will heat it with 2 more zones of

> baseboard . There is a gas heater for hot

> water

>

> What would you think is the best way

> to upgrade the house - One steam boiler with a

> sidearm for the water zones ? Or a steam boiler

> with a coil and storage tank for the water heat ?

> Maybe an indirect in the same application ?

> Changing the whole house to water heat would be

> tricky , so we are trying to make that a last

> option .

>

> I would think a smaller steam

> boiler rated just for the steam side , and a

> separate water boiler for the 3 water zones and

> radiant zone would be the best bet - but I wanted

> to run this project through the experts . Thanks

> in advance .

Unknown

I'm with you, Ron

One boiler sized for the steam, and one for the water.

Noel

Steamhead

Ditto

that's how I'd do it.

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