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Author Topic: Sub 100kw oil boiler modulating or two stage?  (Read 3144 times)
guydewdney
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« on: February 21, 2018, 08:05:27 PM »

Anyone know of a range of two stage or modulating oil burners below 100kw? Ours is 70kw and is underused a fair while, and I can see how a two stage boiler would be a great advantage. Itís a Riello 3.2 model at the moment.
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rogeriko
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« Reply #1 on: February 21, 2018, 08:29:32 PM »

Theres nothing stopping you putting a 20kw boiler in parrallel with your big one, just turn on whichever is needed according to the weather. Dont forget to install one way valves on the flow of each and NO valves on the return.
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TT
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« Reply #2 on: February 22, 2018, 07:03:48 AM »

Pretty much all of the boiler manufacturers will do this have a google for cascade boilers
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gb484
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« Reply #3 on: February 25, 2018, 10:48:13 AM »

Try nu way: https://nu-way.co.uk/burners-1/oil-burners/mo-series
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Philip R
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« Reply #4 on: February 25, 2018, 01:12:06 PM »

Guy,

have a look  at   http://www.eogb.co.uk/two-stage-26-4151-kw/

Philip R
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