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Blower motor, easy!! 200

I thought digital=better? Well, not really.

The Ranco compensated valve dies in two ways I know of, (1) the capillary tube and piston lose their hermetic seal and fail to act as a thermostat, and (2) the valve and seat get cruddy and fail to seal closed.

The first failing didn't bother me that much. I kinda like binary heat controls, like sitting in front of the register. But when the heat starts interfering with the A/C, and the capillary adjustment screw didn't shut it off, the Ranco valve had to get replaced.

I haven't done the conversion to the simpler valve of the '90s, just replacement of the copper one.


--
Art Benstein near Baltimore






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