Are the types of pumps selected (base mounted, in-line)?
Locate pump on discharge side of boiler. Flexible connector used. Valving indicated, isolation valve on suction and discharge. Check valve on discharge. Base and vibration isolator details. Ensure adequate positive head. Pressure and temperature gauges shown. Strainer on suction side, either separate or combine with the air separator. Review pump curve. Review system curve on series/parallel pump operation. Never overload the motor. Pump schedule to specification.