Model number help

[mbreen23]

What is this unit, a York or Luxaire?
15GRTC601C-2B

[BaldLoonie]

How old do ya figger the sucker is? Doesn't look an recent vintage York/Luxaire model #s.

[jpb2]

armstrong... b- i think signals 208-3-230 grtc is an armstrong #. maybe ... not sure. possibly a 150 grtc60b?

[jeffcolledge]

looks like a 5-ton armstrong, i think the 15 is actually 150, indicating the heating capacity in btu's

[mbreen23]

Thanks!