The new temperature sensor unit (TSU) from PMC is a unique design that makes replacement cost and effective one. The universal design fits all heated hose assemblies. PMCs TSU unit is designed to allow the user to replace only the TSU probe without having the hassle of disconnecting spray hoses.
The lead TSU external wires are sleeved with a coiled jacket that protects the probe wires from excessive wear and tear. With the PMC TSU unit you will not need to replace the whole assembly or force to buy a fitting you don’t need. Simply replace the probe at a fraction of the cost. Most temperature sensing units are not serviceable and can cost in excess of $600 to replace.
Trouble shooting your existing TSU is a breeze.
Start by checking the TSU unit with and ohms meter across the plug pins. Pins 1 & 2 should read approximately 10 ohms. Pins 1 & 3 should read infinity. Pin 3 to TSU ground should read 0 ohms.
Pin 1 to Iso fitting should read infinity. If your TSU fails any test you will need to replace the unit. Note: Whenever replacing your TSU – (FTS) Fluid Temperature Sensor unit always refer to the manufactures maintenance and repair manuals for proper procedure.
Learn more about PMC Spray foam and polyurea equipment. (See proportioners, manuals and other spray foam machines). Made in the USA, “Designed with the customer in mind” and backed with a manufacture warranty.