This is spot-on. Placement can seriously mess with your thermostat's accuracy. My parents had theirs right above a table lamp (of all places), and eve...

Good call on the valve cartridge—I’ve seen that fix the issue more times than I can count. But honestly, sometimes even swapping it out doesn't fully ...

You're spot on with that... I've seen firsthand the damage chemical cleaners can cause if they're overused. Pipes aren't invincible, and some of that ...