Owner manual

Benchmark 1500DF - 2000DF Boilers
CHAPTER 4 – INITIAL START-UP
OMM-0098_0A AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 59 of 196
GF-144 Ph.: 800-526-0288 04/01/2014
Figure 4-3: Gas Pressure Adjustment Screw Location
Figure 4-4: TAC Valve Adjust (Idle Screw)
BRASS HEX HEAD
(Remove to access
the Gas Pressure
Adjustment Screw).
TAC VALVE
IDLE SCREW