Forespar MF 839 Vented Loop - 1-1/4" [903011] Ronstan Orbit Series 55 Ratchet Blocks MK2 Rudder Indicator w/2" RD

MK2 Rudder Indicator w/2" RD

Display may be surface or flush mounted

Allows emergency cross connect between isolated battery banks

Type 316 S

CE-certified

Forespar MF 839 Vented Loop - 1-1/4" [903011] Ronstan Orbit Series 55 Ratchet Blocks MK2 Rudder Indicator w/2" RDMF 839 Vented Loop 1 1 4" Installing one of our vented loops will ensure that fluids will not siphon from tank to tank. Vented loops are commonly used in the marine toilet system and engine cooling system. The simple valve system incorporated in the top of the loop allows air to enter the line when not in use, yet effectively seals as water or other fluid passes through. Molded in Marelon, neither vent nor loop will corrode. The duckbill one way valve