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Author Topic: bl28-40 antifreeze  (Read 1692 times)

ijon

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bl28-40 antifreeze
« on: December 01, 2014, 01:21:31 PM »
What antifreeze do I use for my bl 28-40 boiler? And how much?
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installed in 2014

LittleJohn

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Re: bl28-40 antifreeze
« Reply #1 on: December 01, 2014, 02:09:59 PM »
READ THE LABEL, make sure which ever stuff you choose is recommend for radiant application and either open or closed loop system (not sure what your system is)

About quantity, I would not recommend going higher than 50/50 Glycol to water; but again read the label and figure out what level of protection you want/need/can afford.  Cause the good glycol AIN'T CHEAP

...ALSO MAKE SURE ITS OK TO USE WITH YOUR PIPES (PEX, COPPER, etc)
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Bud Man

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Re: bl28-40 antifreeze
« Reply #2 on: December 01, 2014, 04:21:10 PM »
I didn't put any anti-freeze or glycol in mine. I get enough heat from my furnace to keep the water warm. I have a water to air heat exchanger in the furnace plenum and leave my pumps running.

Save your money and spend it on a generator to keep the pumps running.
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Livin' on a long and lonesome highway east of Omaha.

slimjim

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Re: bl28-40 antifreeze
« Reply #3 on: December 02, 2014, 03:26:52 AM »
Very Good Post Bud Man :thumbup:
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Wood boiler sales, service and installation for the Northeastern USA.

LittleJohn

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Re: bl28-40 antifreeze
« Reply #4 on: December 02, 2014, 06:18:17 AM »
I also agree with BudMan  :thumbup:

Up at my dads place he has an LP powered back-up generator and LP fired boiler, in case the wood fire boiler goes out or is unable to keep up.  My dad only added glycol to the closed loop systems, in side each structure, as he intend to not always heat the detached shop/garage.  Plus he has a small amount of heat side walk attached to both the house and the garage.  We mixed to 50/50, using Cryotek (not 100% sure which exact formulation).

Just be careful, when using glycol; it is harder to pump and does not transfer the BTUs as well as water. 
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