Return visit to perform combustion test on boilers 2 and 3, check gas pressure incoming and manifold pressure, incoming is 5.8 wc burner can’t be adjusted at this time firing rate should be equivalent to 4 inches water column, customer need to contact peco to increase gas pressure so we can get 4 inches water column on manifold side to archive the 200 k btu firing rate there will be an extra charge for next visit