Heatiator HEIR42T Top Vent - Vertical Termination - continued, Elbows, WARNING! Risk of Fire

2. Top Vent - Vertical Termination - (continued)

2 ELBOWS

Note: Flue restrictor is permit- ted ONLY on 30 ft. minimum vertical runs with no elbows.

V2

WARNING! Risk of Fire!

•HEIR36(NG/LP), HEIR42(NG/LP) and HEIR50(NG/LP) models require a minimum of 24 inches of vertical venting before attaching any elbow to the appliance.

DO NOT attach elbow directly to the appliance.

HEIR36 (NG/LP), HEIR42 (NG/LP), HEIR50 (NG/LP)

	V1			H1	V2
2 ft		610 mm	1 ft	305 mm	*
3 ft		914 mm	3 ft	914 mm	*
4 ft		1.2 m	4 ft	1.2 m	*
5 ft		1.5 m	9 ft	2.7 m	*
6 ft		1.8 m	12 ft	3.7 m	*

V1 + V2 + H1 = 50 ft (15.2 m) Max.

*No specific restrictions on this value EXCEPT V1 + V2 + H1 cannot exceed 60 ft (18.3 m).

After V1 = 6 ft, then H1 Max.= V1 x 2

H1

V1

Figure 7.8

Heatilator • HEIR36, HEIR42, HEIR50 • 2285-900 Rev. D • 8/12 31