The chimney height will be determined by the
surrounding roof & trees. The chimney should
extend at least 24” above the high point of the
roof with no obstructions from nearby roofs,
trees or other structures.
24”
Trim or remove any nearby trees that
would interfere with chimney draft
The vent pipe should extend only to
(and not beyond) the inside wall of the
chimney. Cement vent pipe tightly into
chimney opening.
THIMBLE
Gas fired units will require less draft than coal
fired, however, a chimney flue with adequate
draft and capacity is required. An A.G.A. draft
diverter must be installed on all gas-fired
heating units.
DRAFT
DIVERTER
12”
EXTENSION
(RH360)
UNION
TEE
DIRECTION OF FLOW
PIPE CAP
FLOOR LEVEL
3” MIN
Location of union and drip leg for connecting
conversion burner to house piping
CONTROL MANIFOLD
MANUAL SHUTOFF
VALVE
⅛
” N.P.T. PLUGGED TAPPING
PRESSURE GAUGE PORT
ROYAL
Heaters
20 ft.
10 ft.
I
I
240
360
RH360 Requires
9” Ø Stack
RH240 Requires
8” Ø Stack
RH360 Requires
a 12” Extension
between furnace
and draft diverter
General Information & Instructions
-Unit crated weights: 240 = 640 lbs. / 360 = 780 lbs.
-Always use double wall pipe on gas units.
-Never have less than .02 - .04 inches of draft in the chimney.
-Always use black metal piping for gas (Nat./L.P.) installations.
-Rule of thumb for chimneys = 2’ vertical for every 1’ horizontal.
-Always check with the gas company on appropriate pipe sizing.
-Always check with the gas company to ensure adequate fuel supply.
-Never reduce the size of chimney from the furnace to the draft cap.
-Never run exhaust fans in any building while furnaces are in operation.
-Always vent gas fumes. Gas fumes not vented can cause death to plants, animals and humans.
-The draft diverter must always be installed VERTICALLY unless otherwise stated by Siebring Mfg.
Warranty will be void if venting does not meet local codes for gas venting.
6
Draft Cap
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