www.iFourWinns.com

Well, if it's made of brass, then it should last a long time. The nice thing about a plug with a hole drilled is that one can just replace the plug if one finds the hole too large. Plus a plug is cheap.

I looked at what Aqualarm has in terms of raw water flow sensors and exhaust temp alarms. I think either one of these, or both, will have you covered. The flow sensor alarms when raw water flow is interrupted like a flow sensor in a pool system and the exhaust temp sensor alarms at 200*F

http://aqualarm.net/

http://aqualarm.net/cooling-water-flow-c-2/

http://aqualarm.net/exhaust-engine-monitors-c-5/

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88 Four Winns 200 Horizon
4.3 OMC Cobra-4bbl
2002 Walker Bay 10/2012 Suzuki 2.5
2008 Walker Bay 8

1998 Jeep Grand Cherokee 4.0/Selectrac
2007 Jeep Grand Cherokee 5.7 Hemi/Quadradrive II

Thanks LouC! Those look really good!

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Cheers

Mark
Melbourne
Australia

Boats:
Current: 2004 FW 190
2001 Mastercraft X5
1998 Malibu Response
1999 Sea Ray 180
17 ft Scimitar Barefoot (200hp Yamaha)
16ft Scimitar Ski (Yamaha 115)
1988 Ski Nautique ( Called Ski Antique)

Thanks Lou,
Their model 20295 looks really good. Sensors and monitor for 6 conditions at once for $349
http://aqualarm.net/automatic-sys-monitor-c-4/20295-six-systems-monitoring-kit-single-p-29.html
(Oil pressure, Water Flow, Engine Temp, High Bilge Water, Fire, Exhaust Temp)

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"Knot Easy" 2000 Horizon 240 Volvo 5.7GS /SX
tow: 2017 Honda PILOT EXL-AWD
prev. boats:
'87 Chaparral 198CXL 4.3 OMC Cobra
'69 Jetstar 16ft Ski Boat, 115hp Yamaha
'68 Aluminum Jon Boat, 3hp Sears
'64 Water Wings