Carefully cut between raised ribs on the back of seal in all 4 places
Infiltrator IM-540 500 gallon septic tank
Indoor alarm with an audible and visual alarm
Note: Not for high-speed traffic
Special Instructions for Installing 4" Corrugated Pipe Only: 1
Flomatic Valves - 3387 - Model 745 AIS 10" Carefully cut between raised ribsFlomatic Valves 745 AIS 45 Seat Flo Flex, Swing Check Valve Epoxy coated Ductile Iron Body, ANSI B16. 5, class 150, AWWA C508, with Buna N coated disc, and stainless steel cover fasteners. The cover and bottom port are also drilled and tapped with NPT plug. Optional body bosses drilled and tapped with stainless steel plugs, consult factory. 745 45 Seat Flo Flex, Swing Check Valve epoxy coated Ductile Iron Body, class 150, AWWA C508, with Buna N coated