@Green Bean so, do you stay up nights thinking of what you can do in the 40? I have completely disassembled my heater blower and heater coil to install new gaskets is this what you are using ?
fairwindfasteners.com
316 Stainless Steel Bonded EPDM Sealing Washers
A passivated 316SS Washer bonded to a EPDM backing that is used to seal out air or water, to dampen noise and vibration, or to provide resistance on a nut to help keep the nut from backing off. Another benefit is of course their ability to softly and evenly distribute a fastener's load on to...
fairwindfasteners.com