Do the water lines usually run by the heating duct and are they usually fastened tight with a hanger?

I had ANOTHER blow out under my kitchen sink last night with the PB water piping :twisted: I have more water line patches in this tin can than I care to think about, the PB's gotta go!!! My question is this... I don't feel like crawling around underneath of this wagon so I'm wondering if I can't con...

I have a 25 year old mobile home with an Intertherm (Model MSH 065 AB) oil heater. I cleaned it today and noticed that when the blower fan is on it blows ALOT of air out of the flame inspection door when opened. I don't know if it's always been like that or if that's how it's supposed to be?? I neve...