Home Dealnews Rinnai 7.5-GPM Indoor Natural Gas Tankless Water Heater for $748 + free... Dealnews Rinnai 7.5-GPM Indoor Natural Gas Tankless Water Heater for $748 + free shipping By ARCOM - 4 December 2020 85 0 SHARE Facebook Twitter Go to the deal page: Rinnai 7.5-GPM Indoor Natural Gas Tankless Water Heater for $748 + free shipping