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Replies: 12
Views: 3,063
Posted By doughess

A very basic question on residential boilers is...

A very basic question on residential boilers is their ability to meet heating load at design temperatures on coldest day. A common static on US boilers is 85% of them are twice the BTU...
Replies: 12
Views: 3,063
Posted By doughess

Often the nozzle is changed during annual...

Often the nozzle is changed during annual maintenance. If nozzle size was increased efficiency goes down and oil consumption goes up. An easy way for oil companies to sell more oil and increase...
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