i purchased a generator which should have run the pumps i have,but they didnt,contacted seller,they kept sending me information on selecting

[cucumber_2007]

i purchased a new generator which should have run the pumps i have,but didnt,icontacted the seller twice but was sent information on selecting the correct generator for the right  application, i had the generator checked by a qualified electrician,the generator had faulty overload relays on this new generator,i had the relays replaced  at a cost of $237.05 .i contacted the seller again about a refund for work done on the generator,but i am not recieving any reply, can i do anything to get the cost of repairs back. thanks for any help,ron.