$18,644 &=bsp;exchange (if our unit is B.E.R. (Beyond Economical Repair), we would ha=e to pay the difference to a New GEN cost. We coul= purchase the New Generator, and send ours out for Repair, and keep as a sp=re. (GEN repair cost is Usually $2000 to $3000 according to Dave B=rch at Bell, depends if our unit