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Boiler Turn Down Ratio
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Le John
Member Posts: 226
What do the turn down numbers represent on a 90,000 BTU Combi Boiler? 3.8:1 / 1.2:1
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A 3.8:1 ratio is 26% (1 divided by 3.8). 26% of 90,000 BTUs is 23,684 BTUs.Hydronics inspired homeowner with self-designed high efficiency low temperature baseboard system and professionally installed mod-con boiler with indirect DHW. My system design thread: http://forum.heatinghelp.com/discussion/154385
System Photo: https://us.v-cdn.net/5021738/uploads/FileUpload/79/451e1f19a1e5b345e0951fbe1ff6ca.jpg1
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