Thos. Somerville Co. | Rinnai® 107000450 Dedicated Recirculation Valve, 3/4 in NPT Connection Size, For Use With Model RL75i/e, RL94i/e, RLX94i/e, RU130i/e, RU160i/e, RU180i/E, RU199i/e, RU180i/e, RU199i/e, RUR160i/e and RUR199i/e Tankless Water ...
Non-Condensing Vent Termination Kit for Rinnai RL94i RL75i Tankless Water Heater | eBay