GLOW T180 - Page 42

Glow T180
Tankless Condensing Water Heater
42
VERTICAL VENT TERMINATION - PVC/CPVC MATERIAL ONLY 2”, 2½” OR 3”
VERTICAL INTAKE - ABS OR PVC/CPVC MATERIAL 2”, 2½” OR 3”
MINIMU
M
24"
APART
IN
ANY
DESIRE
D
POSITION
ON
THE
ROOF
1/2"
x
1/2"
GALVANIZE
D
SCREEN
(SUPPLIE
D
BY
MANUFACTURER)
IN
END
OF
45
°
ELBOW
(OPTIO
NAL)
OPTIONAL
COUPLING
OR
45
°
ELBOW
WITH
OPTIO
NAL
1/2"
x
1/2"
GALVANIZED
SCREEN
(SUPPLIED
BY
MANUFACTURER)
INTO
EXHAUST
END
24" (61 cm)
FLASHING
INTAKE
ABS OR
PVC/CPVC
EXHAUST
PVC
OR
CPVC
SUPPORT
SLOPE VENT
UPWARDS
HANGER
STRAP
SEE INSTALLATION
SECTION 3.9.5
TO DRAIN & DISPOSE OF
CONDENSATE
ACCORDING TO LOCAL
CODES
PVC
ADAPTER
THE AIR INLET AND EXHAUST PIPE CAN BE LOCATED
IN ANY DESIRED POSITION ON THE ROOF, BUT MUST
ALWAYS BE MINIMUM 24" APART.
A PROPER FLASHING SHOULD BE USED TO SEAL THE
PIPE WHERE IT EXITS THE ROOF.
THE VENT SYSTEM MUST TERMINATE SO THAT THE
PROPER CLEARANCES ARE MAINTAINED AS CITED IN
LOCAL CODES OR THE CURRENT EDITION OF THE
NATURAL GAS AND PROPANE INSTALLATION CODE
(CAN/CSA-B-149.1) AND ANSI
Z223.1/NFPA54.
PROVIDE SUPPORT FOR ALL PIPE PROTRUDING
THROUGH THE ROOF. ALL PIPEING SHOULD BE
SECURED. THE VENT SYSTEM SHOULD BE
SUPPORTED EVERY 5 FEET (1.5m) OF VERTICAL RUN
AND EVERY 3 FEET (1.0m) OF HORIZONTAL RUN. ALL
PIPING AND FITTINGS MUST BE JOINED BY THE PROPER
PROCEDURES AS DESCRIBED UNDER VENT
PREPARATION.
WHEN USING A HORIZONTAL SECTION, SLOPE THE
HORIZONTAL VENT 1/8" UPWARDS TOWARDS FOR
EVERY 12" (30 cm) (1% SLOPE) TOWARDS THE
TERMINATION TO THE DRAIN CONDENSATE.
EXHAUST VENT PIPE THROUGH
AN UNHEATED SPACE
MUST BE INSULATED AS PER LOCAL CODES AND
AUTHORITIES.
ALL VERTICAL EXHAUST VENTING MUST HAVE AN
ADDITIONAL CONDENSATE DRAIN. ALL FITTING MUST
BE ULC S636 APPROVED.
*
*
12" (18" CANADA)
ABOVE HIGHEST EXPECTED
SNOW LEVEL
3.10.2 Venting Materials