{"title":"Onsen","description":"\u003cp\u003eOnsen propane tankless water heaters are a practical hot water solution for cabins, cottages, off-grid homes, tiny homes, trailers, and remote properties across Canada.\u003c\/p\u003e\n\u003cp\u003eThis collection includes portable outdoor models, pump bundle options, and indoor direct vent units designed to provide hot water only when you need it. Whether you are setting up a simple seasonal shower, upgrading your cottage water system, or adding reliable hot water to an off-grid property, Onsen offers flexible propane water heating options for different setups.\u003c\/p\u003e\n\u003cp\u003eChoose from compact outdoor portable units for seasonal use, larger outdoor models with installation kits, or indoor gas tankless water heaters for more permanent applications.\u003c\/p\u003e","products":[{"product_id":"onsen-10l-outdoor-propane-portable-tankless-water-heater-75k-btu-w-pump-bundle","title":"Onsen 10L Outdoor Propane Portable Tankless Water Heater (w\/ Pump Bundle)","description":"\u003cp\u003eThe Onsen 10L Outdoor Propane Portable Tankless Water Heater delivers instant hot water on demand with higher heating power and flow capacity, making it well suited for off-grid cabins, hunting camps, horse stables, pet washing stations, outdoor wash-down areas, and other outdoor applications. Designed for heating spring, fall and winter inlet water temperatures (around 45°F \/ 7°C and colder), the 10L offers increased heating capacity for cooler inlet water and iswell suited for more demanding outdoor applications with higher hot water demand.\u003c\/p\u003e\u003cp\u003eFueled by propane, the Onsen 10L provides 75,000 BTU\/hr of heating power, runs on a standard 20 lb BBQ propane tank, and can provide up to 6 hours of hot water runtime (usage varies by temperature settings, inlet water temperature, and flow rate).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOnsen 3.0 12V water pump (included):\u003c\/strong\u003e provides the water pressure required for the water heater to operate when a pressurized water source is not available. The pump produces 55 PSI of pressure and up to 3.0 GPM of flow, and features an automatic pressure switch that activates the pump when a faucet or showerhead is opened.\u003c\/p\u003e\u003cp\u003eWhat’s included in this bundle\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOnsen 10L Portable Tankless Water Heater\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eShower head with on\/off control\u003c\/li\u003e\n\u003cli\u003eGas regulator for 20-pound propane tank\u003c\/li\u003e\n\u003cli\u003e12V alligator clips (for 12V ignition option)\u003c\/li\u003e\n\u003cli\u003eQuick-connect adapters for standard garden hose\u003c\/li\u003e\n\u003cli\u003eTeflon tape\u003c\/li\u003e\n\u003cli\u003eHardware kit (mounting screws \u0026amp; anchors)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOnsen 3.0 RV Diaphragm 12V Water Pump\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFilter with 40 mesh stainless steel screen\u003c\/li\u003e\n\u003cli\u003e2 x ½\" hose barb adapters\u003c\/li\u003e\n\u003cli\u003e2 x ½\" threaded adapters\u003c\/li\u003e\n\u003cli\u003e12V battery alligator clips (w\/ 15A fuse)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant notes\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor outdoor use only. Not approved for indoor installation.\n\u003c\/li\u003e\n\u003cli\u003eWater pressure: requires a pressurized water source of 10 PSI or more. A compatible pump system is required when drawing water from a lake or tank.\n\u003c\/li\u003e\n\u003cli\u003eWater pump use: when using a pump, we recommend ½″ diameter hose from the water source to the pump and from the pump to the water heater. While most pumps provide sufficient PSI, ignition issues are often caused by incorrect hose diameter (e.g., 5\/8″ or 3\/4″).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Onsen","offers":[{"title":"Default Title","offer_id":45087173017800,"sku":null,"price":439.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0255\/5301\/0760\/files\/10L_pump_blue_screen_1400x1400_9a1720be-bc72-4769-b7c8-b9e62_1.jpg?v=1779498441"},{"product_id":"onsen-14l-indoor-gas-tankless-water-heater-3-7-gpm-97k-100k-btu-with-installation-kit","title":"Onsen 14L Indoor Propane Tankless Water Heater (w\/ Installation Kit)","description":"\u003cp\u003eThe Onsen 14L Indoor Propane Tankless Water Heater delivers instant hot water in a compact, CSA-certified design built for indoor installation in Canada. Ideal for 1-bath homes, apartments, tiny homes, cabins, and cottages.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompact indoor design:\u003c\/strong\u003e direct-vent system supports installation in restricted spaces\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEnergy savings:\u003c\/strong\u003e operates only when hot water is needed\nCertified for indoor use: CSA approved for Canada and the USA\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProfessional-grade venting (included):\u003c\/strong\u003e Z-Vent 3\" Category III stainless steel wall vent kit, UL 1738 \u0026amp; ULC-S636 certified, engineered to withstand high-acid exhaust condensate that can prematurely deteriorate standard metal venting\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInsulated air intake kit (included):\u003c\/strong\u003e UL-181 Class 1 \u0026amp; ULC-S110 certified insulated air intake duct supplies combustion air from outdoors, helping maintain temperature stability, reduce condensation, and limit vibration\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat’s included in this bundle:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOnsen 14L Indoor Gas Tankless Water Heater\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eZ-Vent 3\" Category III Stainless Steel Wall Vent Kit\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTermination hood\u003c\/li\u003e\n\u003cli\u003e90° elbow\u003c\/li\u003e\n\u003cli\u003eWall thimble\u003c\/li\u003e\n\u003cli\u003e12\" straight pipe\u003c\/li\u003e\n\u003cli\u003e18\" straight pipe\u003c\/li\u003e\n\u003cli\u003eAppliance adapter with backflow preventer\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInsulated Fresh Air Intake Kit\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUL-181 Class 1 \u0026amp; ULC-S110 certified insulated aluminum intake duct (4–10 ft extendable)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant notes\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor indoor use only.\u003c\/li\u003e\n\u003cli\u003eUnits are factory-set and cannot be converted between gas types.\u003c\/li\u003e\n\u003cli\u003eNot suitable for: hydronic, closed-loop, recirculating, or floor-heating systems.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Onsen","offers":[{"title":"Default Title","offer_id":45087179079880,"sku":null,"price":1199.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0255\/5301\/0760\/files\/Onsen1037-V2_600x600_9a337341-b97d-4cd1-bdf7-0c684824f9fd.jpg?v=1779501224"},{"product_id":"onsen-5l-outdoor-propane-portable-tankless-water-heater-32k-btu","title":"Onsen 5L Outdoor Propane Portable Tankless Water Heater (w\/ Pump Bundle)","description":"\u003cp\u003eThe Onsen 5L Outdoor Propane Portable Tankless Water Heater delivers instant hot water on demand, making it ideal for camping, hunting camps, off-grid cabins, boats, horse trailers, and other outdoor applications. Designed for heating typical summer water temperatures (around 60°F \/ 15°C and warmer), this lightweight unit is easy to transport, quick to set up, and perfect for temporary outdoor installations.\u003c\/p\u003e\u003cp\u003eFueled by propane, the Onsen 5L provides 32,000 BTU\/hr of heating power, runs on a standard 20 lb BBQ propane tank, and can provide up to 16 hours of hot water runtime (usage varies by temperature settings, inlet water temperature, and flow rate).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOnsen 3.0 12V water pump (included):\u003c\/strong\u003e provides the water pressure required for the water heater to operate when a pressurized water source is not available. The pump produces 55 PSI of pressure and up to 3.0 GPM of flow, and features an automatic pressure switch that activates the pump when a faucet or showerhead is opened.\nWhat’s included in this bundle\n\u003cstrong\u003eOnsen 5L Portable Tankless Water Heater\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eShower head with on\/off control\u003c\/li\u003e\n\u003cli\u003eGas regulator for 20-pound propane tank\u003c\/li\u003e\n\u003cli\u003e12V alligator clips (for 12V ignition option)\u003c\/li\u003e\n\u003cli\u003eQuick-connect adapters for standard garden hose\u003c\/li\u003e\n\u003cli\u003eTeflon tape\u003c\/li\u003e\n\u003cli\u003eHardware kit (mounting screws \u0026amp; anchors)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOnsen 3.0 RV Diaphragm 12V Water Pump\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFilter with 40 mesh stainless steel screen\u003c\/li\u003e\n\u003cli\u003e2 x ½\" hose barb adapters\u003c\/li\u003e\n\u003cli\u003e2 x ½\" threaded adapters\u003c\/li\u003e\n\u003cli\u003e12V battery alligator clips (w\/ 15A fuse)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant notes\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor outdoor use only.\u003c\/li\u003e\n\u003cli\u003eWater pressure: requires a pressurized water source of 10 PSI or more. A compatible pump system is required when drawing water from a lake or tank.\u003c\/li\u003e\n\u003cli\u003eWater pump use: when using a pump, we recommend ½″ diameter hose from the water source to the pump and from the pump to the water heater. While most pumps provide sufficient PSI, ignition issues are often caused by incorrect hose diameter (e.g., 5\/8″ or 3\/4″).\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Onsen","offers":[{"title":"Default Title","offer_id":45087180357832,"sku":null,"price":329.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0255\/5301\/0760\/files\/5L_pump_blue_screen_1400x1400_8735946a-7333-460d-ab46-037356_1.jpg?v=1779501627"},{"product_id":"onsen-26l-indoor-gas-tankless-water-heater-w-installation-kit","title":"Onsen 26L Indoor Propane Tankless Water Heater (w\/ Installation Kit)","description":"\u003cp\u003eThe Onsen 26L Indoor Propane Tankless Water Heater delivers instant hot water with higher heating power and increased flow capacity, making it ideal for 2-bath family homes, townhouses, and cottages. CSA certified for indoor installation in Canada and the USA, the 26L is also well-suited for 1-bath homes that require extra performance when running multiple fixtures at the same time, especially in colder climates.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompact indoor design: \u003c\/strong\u003edirect-vent system supports installation in restricted spaces\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEnergy savings:\u003c\/strong\u003e operates only when hot water is needed\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCertified for indoor use: \u003c\/strong\u003eCSA approved for Canada and the USA\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProfessional-grade venting (included)\u003c\/strong\u003e: Z-Vent 3\" Category III stainless steel wall vent kit, UL 1738 \u0026amp; ULC-S636 certified, engineered to withstand high-acid exhaust condensate that can prematurely deteriorate standard metal venting\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInsulated air intake kit (included):\u003c\/strong\u003e UL-181 Class 1 \u0026amp; ULC-S110 certified insulated air intake duct supplies combustion air from outdoors, helping maintain temperature stability, reduce condensation, and limit vibration\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat’s included:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOnsen 26L Indoor Propane Tankless Water Heater\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eZ-Vent 3\" Category III Stainless Steel Wall Vent Kit\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTermination hood\u003c\/li\u003e\n\u003cli\u003e90° elbow\u003c\/li\u003e\n\u003cli\u003eWall thimble\u003c\/li\u003e\n\u003cli\u003e12\" straight pipe\u003c\/li\u003e\n\u003cli\u003e18\" straight pipe\u003c\/li\u003e\n\u003cli\u003eAppliance adapter with backflow preventer\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInsulated Fresh Air Intake Kit\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUL-181 Class 1 \u0026amp; ULC-S110 certified insulated aluminum intake duct (4–10 ft extendable)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant notes\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor indoor use only.\u003c\/li\u003e\n\u003cli\u003eAvailable in Propane or Natural Gas versions. Units are factory-set and cannot be converted between gas types.\u003c\/li\u003e\n\u003cli\u003eGas Supply Line: A ¾-inch gas supply line is recommended to ensure sufficient propane flow to the unit. While a ½-inch line may work on very short pipe runs, it is not recommended for optimal performance.\u003c\/li\u003e\n\u003cli\u003eNot suitable for: hydronic, closed-loop, recirculating, or floor-heating systems.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Onsen","offers":[{"title":"Default Title","offer_id":45087185371336,"sku":null,"price":1399.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0255\/5301\/0760\/files\/20231103_142111-no-vent-pipes-CELCIUS-2184x2184_db28c33c-ad9.jpg?v=1779502317"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0255\/5301\/0760\/collections\/Onsen_Logo.png?v=1779373816","url":"https:\/\/canadianoffgrid.com\/collections\/onsen-propane-tankless-water-heaters.oembed","provider":"Canadian Off Grid","version":"1.0","type":"link"}