Where's the best place on the internet to order replacement parts for electric forced air heaters?

Question

I'm searching for a phaser Part #15SH22
H1-110-309576
C1-110

Answer 1

See if you can find the manufacturers web site and ask them directly. You will need the Model # and serial #.

Answer 2

try this page. I looked up your information and I think you have a McQuay system. I hope this helps