Div. B › Part 9 › 9.31 › 9.31.6 — Service Water Heating Facilities

9.31.6.5 — Heating Coils

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(1) Heating coils of service water heaters shall not be installed in a flue or in the combustion chamber of a boiler or furnace heating a building.

OBC Definitions

Defined terms on this page

boiler

means an appliance intended to supply hot water or steam for space heating, processing or power purposes.

chamber

means a structure in a shallow buried trench that is constructed with an open bottom and that contains a pressurized distribution pipe.

flue

means an enclosed passageway for conveying flue gases.

furnace

means a space-heating appliance that uses warm air as the heating medium and usually provides for the attachment of ducts.

service water heater

means a device for heating water for plumbing services.

building

(a) a structure occupying an area greater than ten square metres consisting of a wall, roof and floor or any of them or a structural system serving the function thereof including all plumbing, works, fixtures and service systems appurtenant thereto,
(b) a structure occupying an area of ten square metres or less that contains plumbing, including the plumbing appurtenant thereto,
(c) plumbing not located in a structure,
(c.1) a sewage system, or
(d) structures designated in the building code; Act

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