| Material | : | Cast Iron |
| Specifications | : | 3/4 in NPT |
| Suitable For Use With | : | Series 100, PR, NRF-22/33/36, NRF-9F/LW, PL-30/36/55, ecocirc XL Circulators |
Bell & Gossett Companion Flange, For Use With: Series 100, PR, NRF-22/33/36, NRF-9F/LW, PL-30/36/55, ecocirc XL Circulators, 3/4 in NPT, Cast Iron