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Midsection Thermostat DF250AP

Old 06-30-2019, 10:18 AM
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Default Midsection Thermostat DF250AP

Hello All. I was being pokey while servicing my motor. Took the thermostat out of the midsection.It came tumbling out and I don't know which end goes in first. SMH. Stupid Me for being curious. LOL I'm thinking spring end first?
Any help greatly appreciated. Please see photo.

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Old 06-30-2019, 04:00 PM
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I was wondering what that was on my 200, what is the service life on these? I thought they where a zinc when I saw them.
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Old 07-01-2019, 04:37 AM
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That is the poppit valve, it allows to motor to build water pressure before releasing. Similar to a t-stat but for pressure instead of temp.
The spring side goes in first toward the motor.
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Old 07-04-2019, 10:56 AM
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Originally Posted by Outboard Specialties View Post
That is the poppit valve, it allows to motor to build water pressure before releasing. Similar to a t-stat but for pressure instead of temp.
The spring side goes in first toward the motor.
Thanks very much.
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Old 07-05-2019, 06:28 AM
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Do these need to be changed at a certain time?

Originally Posted by Outboard Specialties View Post
That is the poppit valve, it allows to motor to build water pressure before releasing. Similar to a t-stat but for pressure instead of temp.
The spring side goes in first toward the motor.
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