Water Circulator Pump Bust After Only 1 Year!

[av2597]

Hi all, we have a water circulation pump to bring hot water from our woodburning stove and send it to a thermal accumulator tank. We've just started our second season and it's broken. I thought these were meant to last 10 - 15 years?

We don't have a domestic water supply - we use water from our own well which is filtered through a separate pump and stored in a storage tank for domestic water use. Is it possible that the "untreated" water could be the cause of the problem? At 300 quid per pump, I don't expect it to break each year!

Perhaps I should have drained the system over the summer so that water wasn't sat in the pump - could this be the root cause?

Photo of the pump in situ, and the part that broke, are below.

Many thanks

 

[SimonG]

Why is it pumped? What would you do in a power cut?

 

[ShaunCorbs]

Also £300 per pump not a chance

Wilo Yonos Pico 25/1-8-(Row) Glandless Circulating Pump 4215517

Glandless circulation pump with screwed connection, blocking-current proof EC motor and integrated electronic power control. Suitable for all hot water heating systems, air-conditioning applications, industrial circulation systems.

www.cityplumbing.co.uk

Pumps arnt rated really for solid fuel temps

Would recommend a steel impella

 

[Ben-gee]

As Simon has hinted, this should be done by gravity really. Get someone in to look at your set up, someone who knows what they’re doing.