HELLO ALL, TRYING TO SOUCE THE PROPER GAS GUAGE SENDING UNIT FOR MY SKYLARK AS THE ORIGINAL IS A RUSTY MESS. I NOW HAVE A UNIT WITH A 5/16" OUTLET AND A 1/4" RETURN. NO ONE OFFERS AN EXACT REPLACEMENT SO I'M WONDERING IF I CAN SIMPLY ELIMINATE THE RETURN LINE? ANYBODY RUN INTO THIS PROBLEM...