QHT Boiler manual Installation considerations, 3Wood

Installation considerations

When the 3WOOD is installed, check that The flue, if reused:

∙Supplies the negative pressure required for the new boiler (see the table of technical specifications on page 10);

∙is suitable for the temperature of the products of combustion, and has been calculated and constructed according to the required standards; recommended by NFPA

∙is as straight as possible, airtight, insulated and is not blocked or choked;

∙is fitted with a cleanout door

∙The heating system should be flushed, cleaned of any slime and deposits, vented and tested for water tightness.

∙The heating system should be equipped with a new expansion tank of sufficient size to handle the volume of both boilers.

∙The 3WOOD Boiler should be equipped with its own make-up water.

Model #	Min. Output
	(BTU/HR)
3Wood 5	89,000
3Wood 6	104,000
3Wood 7	120,000

FIREBOX	Width	Height
DEPTH	(inches)	(inches)
16.5”
20”	24”	38”
23.5”

		1 1/2”
1 1/2”
Length	WATER	Draft	Weight
(inches)	CONTENT	(inch)	(LBS)

(US-GALLONS)

25	11	.07	695
30	12.5	.10	804
34	14	.12	903

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