Single Pump Module
230 volt with NRF 36 Bell & Gossett pump – Cast Iron Part # – GL001
Heat Pump Adapter 1″MPT x 1″ w/ PT Port Part # – 530-030
1/16″ and 1/8″ Adapter Part# – GADAPT
4″ Pressure Gauge-1lb increments w/ .25″ MPT Part# – PG-460