Roberts Gorden VANTAGE HEV-40 Installation, Operation & Service Manual page 59

8.16.3 Horizontal Outside Air Supply for Single Heater Installation
Description
Vent Cap, Metalbestos - 4" (10 cm)
8.16.4 Vertical Outside Air Supply for Double Heater Installation
Description
Vent Cap, Metalbestos - 6" (15 cm)
Requirements:
• Heaters must be controlled by a common thermostat.
• All joints must be sealed.
Vent Cap
Part Number
90502300
Part Number
90502302
4" (10 cm)
Single Wall Pipe
Flex Hose
(Recommended)
Band Clamp
(Recommended)
SECTION 8: V
Burner
ENTING
55