![Bought a house and replacing this 30 year old oil system with natural gas. Want to go with an on demand hot water/combi boiler system. Looking for recommendations and personal experiences : Bought a house and replacing this 30 year old oil system with natural gas. Want to go with an on demand hot water/combi boiler system. Looking for recommendations and personal experiences :](https://preview.redd.it/73sbax76nvu51.jpg?auto=webp&s=97f7f94ae72f137bfa73f3ab5e640e26fec0ad0e)
Bought a house and replacing this 30 year old oil system with natural gas. Want to go with an on demand hot water/combi boiler system. Looking for recommendations and personal experiences :
![Eccotemp 20h 6-GPM 150000-BTU Outdoor Natural Gas Tankless Water Heater in the Water Heaters department at Lowes.com Eccotemp 20h 6-GPM 150000-BTU Outdoor Natural Gas Tankless Water Heater in the Water Heaters department at Lowes.com](https://mobileimages.lowes.com/productimages/0284f012-40a7-431a-ad89-646f86ee9d5b/63110021.jpg?size=pdhism)
Eccotemp 20h 6-GPM 150000-BTU Outdoor Natural Gas Tankless Water Heater in the Water Heaters department at Lowes.com
![Rinnai Part # RE180iN - Rinnai Efficiency Series Re 8.5 Gpm Residential 180,000 Btu Natural Gas Tankless Water Heater 15-Year Warranty - Tankless Residential Water Heaters - Home Depot Pro Rinnai Part # RE180iN - Rinnai Efficiency Series Re 8.5 Gpm Residential 180,000 Btu Natural Gas Tankless Water Heater 15-Year Warranty - Tankless Residential Water Heaters - Home Depot Pro](https://content.interlinebrands.com/product/Image/Detail/52/321504113_usn.jpg)
Rinnai Part # RE180iN - Rinnai Efficiency Series Re 8.5 Gpm Residential 180,000 Btu Natural Gas Tankless Water Heater 15-Year Warranty - Tankless Residential Water Heaters - Home Depot Pro
![China Domestic Instant Digital Gas Geyser Constant Temperature manufacturers and suppliers | Vangood China Domestic Instant Digital Gas Geyser Constant Temperature manufacturers and suppliers | Vangood](https://cdn.globalso.com/zsvangood/IMG_20210124_152849_1.jpg)
China Domestic Instant Digital Gas Geyser Constant Temperature manufacturers and suppliers | Vangood
![Natural Gas Tankless Hot Water Heater 8L Tankless Instant Natural Gas Water Heater Wall-Mounted Water Heater Instant Bath,Liquefied Gas : Amazon.co.uk: DIY & Tools Natural Gas Tankless Hot Water Heater 8L Tankless Instant Natural Gas Water Heater Wall-Mounted Water Heater Instant Bath,Liquefied Gas : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/21AcRr4vKdL._AC_UF894,1000_QL80_.jpg)
Natural Gas Tankless Hot Water Heater 8L Tankless Instant Natural Gas Water Heater Wall-Mounted Water Heater Instant Bath,Liquefied Gas : Amazon.co.uk: DIY & Tools
![CO-Z Gas Water Heater, 18L LPG Water Heater with Winter & Summer Modes, 30.6kW Stainless Steel Tankless Water Heater, Hot Water Heater with LED Display,Use for Outoor,Camping,Trip : Amazon.co.uk: DIY & Tools CO-Z Gas Water Heater, 18L LPG Water Heater with Winter & Summer Modes, 30.6kW Stainless Steel Tankless Water Heater, Hot Water Heater with LED Display,Use for Outoor,Camping,Trip : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/61eLAKetJIL._AC_UF350,350_QL80_.jpg)
CO-Z Gas Water Heater, 18L LPG Water Heater with Winter & Summer Modes, 30.6kW Stainless Steel Tankless Water Heater, Hot Water Heater with LED Display,Use for Outoor,Camping,Trip : Amazon.co.uk: DIY & Tools
![CO-Z Gas Water Heater, 18L LPG Water Heater with Winter & Summer Modes, 30.6kW Stainless Steel Tankless Water Heater, Hot Water Heater with LED Display,Use for Outoor,Camping,Trip : Amazon.co.uk: DIY & Tools CO-Z Gas Water Heater, 18L LPG Water Heater with Winter & Summer Modes, 30.6kW Stainless Steel Tankless Water Heater, Hot Water Heater with LED Display,Use for Outoor,Camping,Trip : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/71xLoZ099UL._AC_UF350,350_QL80_.jpg)