Heatiator HEIR50H, HEIR42H, HEIR42T Top Vent - Horizontal Termination - continued, Three Elbows

1. Top Vent - Horizontal Termination - (continued)

Three Elbows

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

H2

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.

V2

H1 V1

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

	V1		H1	V2	H2
2 ft	610 mm	7 in	178 mm	*	H2 Max = 2 X V2
3 ft	914 mm	2 ft	610 mm	*	H2 Max = 2 X V2
4 ft	1.2 m	4 ft	1.2 m	*	H2 Max = 2 X V2
5 ft	1.5 m	9 ft	2.7 m	*	H2 Max = 2 X V2
6 ft	1.8 m	12 ft	3.7 m	*	H2 Max = 2 X V2
7 ft	2.1 m	14 ft	4.3 m	*	H2 Max = 2 X V2
10 ft	3.0 m	20 ft	6.1 m	*	H2 Max = 2 X V2

V1 + H1 must be adhered to.

* V2 has no specific restrictions EXCEPT,

Ht max = 2 x Vt and Vtotal + Htotal cannot exceed 60 ft Maximum

Figure 7.5

Heatilator • HEIR36, HEIR42, HEIR50 • 2285-900 Rev. D • 8/12 29