Weil-McLain GV Series 3, GV Series 4 manual Installation, Pre-installation planning

GOLD GV Series 3 & 4 — Z-Vent II Venting Supplement

Installation

Pre-installation planning

1.Follow national, state, local or provincial codes or regulations when venting GV boiler.

2.Choose vent method from those shown on page 5.

3.Select vent run components from Table 2. Table 3 states maximum vent run lengths and number of elbows. Do not exceed data in Table 3. See Figure 2 for slightly reduced boiler output.

4.If installing with direct vent method, use same maximum run length and number of elbows from step 2. Vent and combustion air connector piping configurations must match. Use suitable 3" material for combustion air connector piping, such as:

•Dryer vent

•Galvanized steel

•PVC (3" I.D.)

5.Refer to vent termination WARNING, item 19 on page 3.

Table 2	Parts list
Description		Z-Flex® , Inc.
		Part Number (Note 1)
GV starter tee		SVEVST03
GV termination coupling		SVSTPX03
45o elbow		SVEEWC0345
90o elbow		SVEEWC0390
6" pipe		SVEPWC03.5
1' pipe		SVEPWC0301
2' pipe		SVEPWC0302
3' pipe		SVEPWC0303
4' pipe		SVEPWC0304
5' pipe		SVEPWC0305
Locking band		SVSLBX03
Weil-McLain Vent/Air Intake Termination Kit		382-200-430 (Note 2)
Weil-McLain Through-Roof or Through-Unused-Chimney Termination Kit		382-200-435 (Note 2)
Notes
1. Z-Flex® , Inc. part number. Parts available through Z-Flex® , Inc.
2. Weil-McLain part number. Parts available through Weil-McLain distributor.

Table 3

Vent and combustion air connector piping lengths and number of elbows

Maximum vent		Total number of elbows
length (feet)
	0	2	3	4	5	6	7	8
GV-3 thru GV-5	100	80	70	60	50	40	30	20
GV-6	80	60	50	40	30	20	10	--

Figure 2 Boiler output

	100
	99					GV-3
Output						GV-4
	98
						GV-5
	97					GV-6
%
	96
	95				80
	0	20	40	60		100

26700	Total equivalent length (feet) of vent
	(from boiler to vent termination)

4 Part number 550-110-266/0601