Plumbing
Diagram of water flow through the 160100 Rex Marine Thermostat Assembly
Plumbing
Instructions for 4 port Thermostat Kit
Install (2) tees in the front water inlet locations as shown,
(2) 1/2 pipe to hose brass tees are supplied in the kit. Run a bypass hose from
one end of each tee to one of the TOP ports of the thermostat housing as shown.
These bypass hoses flow water to the exhaust when the
thermostat is closed. The engine water outlet ports are the BOTTOM (2) ports
on the thermostat housing. Plumb these lines to the exhaust or overboard, (the
same as they were before you installed the thermostat unit). That’s all
there is to it. Your engine will now operate in the proper temperature range
resulting in better idle, better fuel economy, more power, and longer engine
component life.
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