COMMUNITY FORUM

glenna1984

09:31AM | 10/28/11
Member Since: 10/27/11
6 lifetime posts
Bvplumbing
I have a steam boiler with a small hot water zone (for heating the kitchen).

My old system worked for decades. With the installation of a new system the hot water coil clogs over the summer, when there is no heat.

I need to get it replaced every year. Yes, the hookup is at the bottom of the furnace, but so was the old system.

Anyone have any ideas?

LarryG

09:16AM | 10/29/11
Member Since: 07/22/04
531 lifetime posts
1. Have them install valves so you can isolate and drain that loop. 2.Also have you tried letting it run a couple days maybe the clog will break loose by itself after it gets good and hot. 3.Is this loop pump fed or does it rely on gravity? If it has a low point and relys on gravity all the crap is going to settle in that one spot.

glenna1984

09:30AM | 10/29/11
Member Since: 10/27/11
6 lifetime posts
Thanks for the feedback. I had also contacted Taco-Hvac, the manufacturer of the unit.

They explained that I did not really have a circulation pump, but a cartridge circulator. They recommend the Taco Series 110 as the solution.

I will probably go that route.

LarryG

03:20PM | 10/29/11
Member Since: 07/22/04
531 lifetime posts
If it were me I would provide a means of isolating that loop and a method of turning the pump off upon start up.Let the boiler run a day of so. After you blow the boiler down a few times to get all the mud out of it and water comes clear,then start up that loop. Your idea is good too.
Regards.

glenna1984

05:46PM | 10/29/11
Member Since: 10/27/11
6 lifetime posts
The boiler water is clean. I drain it regularly, so there is no build up there.

Because of the cold snap today in NY, the boiler has been on all day.

I did try leaving the zoned heat on today, but that did not work.

This has been going on for three replacements one year, one year and two years apart.

Seems I can buy the pump myself and have it installed by my plumber for $400 to $450. If it gives me a long term solution, it is worth it.

LarryG

06:07PM | 10/29/11
Member Since: 07/22/04
531 lifetime posts
Sounds good.
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