Stanley Vacuums - Recent Questions, Troubleshooting & Support

Something like this? https://www.amazon.com/Winters-Economical-Pressure-Internals-Accuracy/dp/B0087UCJ6I/ref=sr_1_7?dchild=1&keywords=stanley+backpack+sprayer+pressure+gauge&qid=1633991257&sr=8-7 It looks like the sprayer is made by Chapin and badged to Stanley. https://www.google.com/search?q=Stanley+Backpack+Professional+sprayer+61804+parts ..

Tinternet

Try to find a reset button on motor unit. Good luck!!

https://www.manualslib.com/manual/629353/Stanley-Wet-Dry-Vacuum.html#manual Stanley WET DRY VACUUM Owner Manual

Almost for sure it is produced in a no name contractor of parts.

Amazon.com has them.

The bleach would not have affected the inside of the thermos, but it may have deteriorated the seal of the cap? Try filling it with water, cap it and turn it upside down and leave it for a few hours, see if you get a leak. Or you could submerge it in the sink and look for air bubbles.