And get rid of the non-sensical lines near the top of your loop - pointed out earlier, commented out here:
// int tankempty = digitalRead(tankempty);
// int ohtanklow = digitalRead(ohtanklow);
// int ohtankfull = digitalRead(ohtankfull);
a7
And get rid of the non-sensical lines near the top of your loop - pointed out earlier, commented out here:
// int tankempty = digitalRead(tankempty);
// int ohtanklow = digitalRead(ohtanklow);
// int ohtankfull = digitalRead(ohtankfull);
a7