20 Jan 2019 #1 mogmog2 Member Joined 12 Feb 2011 Messages 439 Location Sussex www.spidery.force9.co.uk Hello, anyone know what diameter the raw water hose for the 3YM20 is? 3GM20 is probably the same? Thanks
Hello, anyone know what diameter the raw water hose for the 3YM20 is? 3GM20 is probably the same? Thanks
20 Jan 2019 #2 T tross Active member Joined 19 Aug 2003 Messages 673 Location Lymington Visit site If you are talk ing about the feed into the raw water pump there are two different sizes. I think it is 17 an19mm
If you are talk ing about the feed into the raw water pump there are two different sizes. I think it is 17 an19mm
20 Jan 2019 #3 Laysula Well-known member Joined 1 Jun 2008 Messages 2,448 Location Brixham www.stevehuntdrivinginstructor.co.uk My 3gm30 was 5/8" originally but I replaced it with 3/4" because I was misinformed about what size to buy.
My 3gm30 was 5/8" originally but I replaced it with 3/4" because I was misinformed about what size to buy.
21 Jan 2019 #4 mogmog2 Member Joined 12 Feb 2011 Messages 439 Location Sussex www.spidery.force9.co.uk Yes intake seacock to raw water pump. Nothing's ever simple. ATM I don't know the pump model.. Sounds like the 30 is, understandably, larger. Thanks
Yes intake seacock to raw water pump. Nothing's ever simple. ATM I don't know the pump model.. Sounds like the 30 is, understandably, larger. Thanks
21 Jan 2019 #5 T tross Active member Joined 19 Aug 2003 Messages 673 Location Lymington Visit site Further to my last reply there are two pumps - 128990-42500 ( 17mm) and 128990-42510 ( 19.5mm in, 17mm out) I think the 42510 is the replacement pump Last edited: 21 Jan 2019
Further to my last reply there are two pumps - 128990-42500 ( 17mm) and 128990-42510 ( 19.5mm in, 17mm out) I think the 42510 is the replacement pump
21 Jan 2019 #6 mogmog2 Member Joined 12 Feb 2011 Messages 439 Location Sussex www.spidery.force9.co.uk tross, Thanks. I'll need to buy new intake hose then Last edited: 21 Jan 2019