Cat pump new $400.00
HX ??? is it the original? If so, probably better to cut out the copper and trade it in for scrap.
Waste tank? If it's 110 gallon probably $200-300, might be worth more as scrap??
Blower, new tuthill 4.7 is only $1500.00. Tuthill MFG. in SLC checked 1 month ago?