The Forestry Forum

General Forestry => Firewood and Wood Heating => Topic started by: furjaw on November 04, 2013, 02:41:05 AM

Title: Have to clean out my water to water heat exchanger
Post by: furjaw on November 04, 2013, 02:41:05 AM
I have a Central Boiler 5036 Outdoor Wood Furnace.
My Taco Model 009-F5 Circulation Pump just died.
The plastic impeller had disintegrated and was mostly missing.
I replaced the cartridge with Cartridge # 009-021RP.
It is working but apparently the flow is obstructed.
I have a water to water heat exchanger.
My guess is that the heat exchanger is plugged up with pieces of plastic from the impeller.
Title: Re: Have to clean out my water to water heat exchanger
Post by: doctorb on November 04, 2013, 05:24:30 AM
The first thing to do is check every valve in your system to make sure one is not still closed.  I am not trying to belittle you.  It's the kind of simple thing that makes us pull out our hair.
Title: Re: Have to clean out my water to water heat exchanger
Post by: Roger2561 on November 04, 2013, 07:40:37 AM
I have a Central Boiler 5036 Outdoor Wood Furnace.
My Taco Model 009-F5 Circulation Pump just died.
The plastic impeller had disintegrated and was mostly missing.
I replaced the cartridge with Cartridge # 009-021RP.
It is working but apparently the flow is obstructed.
I have a water to water heat exchanger.
My guess is that the heat exchanger is plugged up with pieces of plastic from the impeller.

This brings up a question; when do you folks think I should do a bit of preventive maintenance?  I have the same Taco pump on my E-Classic 1400, going on my 3rd year of heating with it.  Should I go on the offense and change out the impeller before it breaks?  Or, leave it alone until it does break?  What's the average live span of the Taco 009-F5?   I'm thinking of purchasing a replacement impeller really soon anyway.  Thoughts?  Roger   
Title: Re: Have to clean out my water to water heat exchanger
Post by: doctorb on November 04, 2013, 08:37:59 AM
Roger-  a previous thread with more info. re: Taco pumps

http://www.forestryforum.com/board/index.php/topic,58825.msg856137.html#msg856137

Title: Re: Have to clean out my water to water heat exchanger
Post by: Roger2561 on November 04, 2013, 11:25:04 AM
doctorb - Thanks for the link.  That was very informative.  I think all I do for this winter is purchase a replacement cartridge to have on hand for the "just in case" scenario.  The funny thing is, I have a Taco on the oil furnace and that's 20 plus year old and it has never failed me (Now that I've said that...  ;) ).  I need to seriously think about having my water tested professionally to see what I have and I'll go from there.  Roger