{"product_id":"heatport-h4s-4kw-diesel-heater-kit","title":"Heatport H4S 4kW Diesel Heater Kit – 12V \/ 24V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Heatport H4S 4kW Diesel Heater Kit is available in both 12V and 24V versions, making it a powerful and reliable heating solution for larger caravans, RVs, cabins and off-grid spaces.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSelect your required voltage (12V or 24V) before ordering.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Heatport H4S 4kW Diesel Heater Kit is a reliable heating solution for larger caravans, RVs, cabins and off-grid spaces. Designed for strong heat output, efficient diesel use and dependable 12V\/24V operation, it is a great option where a smaller heater may struggle to keep up.\u003c\/p\u003e\n\u003cp\u003eThis kit is well suited to larger or poorly insulated spaces and gives you the core components needed for a standard installation. It is a practical choice for anyone wanting fast heat-up, controllable comfort and dependable off-grid warmth.\u003c\/p\u003e\n\u003cdiv style=\"margin: 25px 0 30px 0;\"\u003e\n\u003cspan style=\"display: inline-block; padding: 10px 18px; margin: 0 10px 10px 0; background: #8db33f; color: #222; border-radius: 999px;\"\u003e4kW Heat Output\u003c\/span\u003e \u003cspan style=\"display: inline-block; padding: 10px 18px; margin: 0 10px 10px 0; background: #8db33f; color: #222; border-radius: 999px;\"\u003e12 or 24V Operation\u003c\/span\u003e \u003cspan style=\"display: inline-block; padding: 10px 18px; margin: 0 10px 10px 0; background: #8db33f; color: #222; border-radius: 999px;\"\u003eFull Install Kit\u003c\/span\u003e \u003cspan style=\"display: inline-block; padding: 10px 18px; margin: 0 10px 10px 0; background: #8db33f; color: #222; border-radius: 999px;\"\u003eIdeal for Large Caravans\u003c\/span\u003e \u003cspan style=\"display: inline-block; padding: 10px 18px; margin: 0 10px 10px 0; background: #8db33f; color: #222; border-radius: 999px;\"\u003eOff-Grid Ready\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; margin: 0 0 30px 0;\"\u003e\n\u003cdiv style=\"flex: 1 1 220px; border: 1px solid #dddddd; border-radius: 18px; padding: 25px; background: #fafafa;\"\u003e\n\u003ch3\u003eStrong Heating Performance\u003c\/h3\u003e\n\u003cp\u003eA great fit for larger caravans, RVs, cabins and other spaces that need stronger, faster heating.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 220px; border: 1px solid #dddddd; border-radius: 18px; padding: 25px; background: #fafafa;\"\u003e\n\u003ch3\u003eEfficient Diesel Operation\u003c\/h3\u003e\n\u003cp\u003eDesigned to deliver dependable warmth while maintaining efficient diesel fuel consumption.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 220px; border: 1px solid #dddddd; border-radius: 18px; padding: 25px; background: #fafafa;\"\u003e\n\u003ch3\u003eControllable Comfort\u003c\/h3\u003e\n\u003cp\u003eThermostat control helps maintain a more comfortable interior temperature in changing conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 220px; border: 1px solid #dddddd; border-radius: 18px; padding: 25px; background: #fafafa;\"\u003e\n\u003ch3\u003eBuilt for Off-Grid Use\u003c\/h3\u003e\n\u003cp\u003eReliable 12V performance makes this heater well suited to caravans, motorhomes and remote setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eBest For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLarge caravans\u003c\/li\u003e\n\u003cli\u003eRVs and motorhomes\u003c\/li\u003e\n\u003cli\u003eCabins and tiny homes\u003c\/li\u003e\n\u003cli\u003eOlder or poorly insulated spaces\u003c\/li\u003e\n\u003cli\u003eOff-grid winter heating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose the Heatport H4S?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStrong 4kW heating output for larger spaces\u003c\/li\u003e\n\u003cli\u003eEfficient diesel fuel consumption\u003c\/li\u003e\n\u003cli\u003eThermostat temperature control for better comfort\u003c\/li\u003e\n\u003cli\u003eReliable 12V0r 24V off-grid operation\u003c\/li\u003e\n\u003cli\u003eGood option where a smaller heater may not be enough\u003c\/li\u003e\n\u003cli\u003eWell suited to caravans, RVs, cabins and tiny homes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included in the Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHeatport H4S 4kW heater unit\u003c\/li\u003e\n\u003cli\u003eController\u003c\/li\u003e\n\u003cli\u003eFuel pump\u003c\/li\u003e\n\u003cli\u003eFuel line and filter\u003c\/li\u003e\n\u003cli\u003eExhaust components\u003c\/li\u003e\n\u003cli\u003eAir intake components\u003c\/li\u003e\n\u003cli\u003eDucting\u003c\/li\u003e\n\u003cli\u003eOutlet vents\u003c\/li\u003e\n\u003cli\u003eMounting hardware\u003c\/li\u003e\n\u003cli\u003eInstallation accessories\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Add-Ons\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDiesel fuel tank\u003c\/li\u003e\n\u003cli\u003eExtra ducting\u003c\/li\u003e\n\u003cli\u003eAdditional outlet vent\u003c\/li\u003e\n\u003cli\u003eExtra installation accessories\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGood to Know\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFuel tank options are usually selected separately\u003c\/li\u003e\n\u003cli\u003eThis heater can suit split-ducting setups with vents at either end of a caravan\u003c\/li\u003e\n\u003cli\u003eProfessional installation may be preferred depending on your setup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you are not sure whether the H4S is the right fit for your caravan, RV or cabin, feel free to get in touch and we can help point you in the right direction.\u003c\/p\u003e\n\u003c\/div\u003e\n\u0026lt;\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cdiv style=\"margin-top:20px;\"\u003e\n\n\u003cdetails style=\"border:1px solid #d9d9d9; border-radius:14px; padding:18px 20px; margin-bottom:14px; background:#ffffff;\"\u003e\n\u003csummary style=\"cursor:pointer; font-weight:600;\"\u003eWhat is the difference between 12V and 24V?\u003c\/summary\u003e\n\u003cp style=\"margin-top:14px;\"\u003e12V suits most caravans, RVs and standard mobile battery systems. 24V is commonly used in trucks, buses, marine applications and larger battery bank setups.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border:1px solid #d9d9d9; border-radius:14px; padding:18px 20px; margin-bottom:14px; background:#ffffff;\"\u003e\n\u003csummary style=\"cursor:pointer; font-weight:600;\"\u003eWhat size space is the H4S best suited to?\u003c\/summary\u003e\n\u003cp style=\"margin-top:14px;\"\u003eThe H4S 4kW heater is ideal for larger caravans, RVs, cabins, tiny homes and older or poorly insulated spaces needing stronger heat output.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border:1px solid #d9d9d9; border-radius:14px; padding:18px 20px; margin-bottom:14px; background:#ffffff;\"\u003e\n\u003csummary style=\"cursor:pointer; font-weight:600;\"\u003eDoes the kit include a fuel tank?\u003c\/summary\u003e\n\u003cp style=\"margin-top:14px;\"\u003eFuel tanks are commonly selected separately depending on available space, preferred capacity and installation layout.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border:1px solid #d9d9d9; border-radius:14px; padding:18px 20px; margin-bottom:14px; background:#ffffff;\"\u003e\n\u003csummary style=\"cursor:pointer; font-weight:600;\"\u003eHow much battery power do these heaters use?\u003c\/summary\u003e\n\u003cp style=\"margin-top:14px;\"\u003eThese diesel heaters have a higher power draw during startup while the glow plug ignites the fuel (approximately 8–10A for a few minutes on 12V models), then settle to a low running draw of around 0.8–2.5A depending on heat setting. They are very efficient and well suited to caravans, RVs, cabins and off-grid battery systems.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border:1px solid #d9d9d9; border-radius:14px; padding:18px 20px; margin-bottom:14px; background:#ffffff;\"\u003e\n\u003csummary style=\"cursor:pointer; font-weight:600;\"\u003eCan I run two vents from this heater?\u003c\/summary\u003e\n\u003cp style=\"margin-top:14px;\"\u003eYes. The H4S is a popular option for split-ducting setups with vents at either end of a caravan, motorhome or cabin.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border:1px solid #d9d9d9; border-radius:14px; padding:18px 20px; margin-bottom:14px; background:#ffffff;\"\u003e\n\u003csummary style=\"cursor:pointer; font-weight:600;\"\u003eCan I install this myself?\u003c\/summary\u003e\n\u003cp style=\"margin-top:14px;\"\u003eDIY installation may be possible for experienced users, however professional installation is recommended for fuel, electrical and exhaust safety.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"border:1px solid #d9d9d9; border-radius:14px; padding:18px 20px; margin-bottom:14px; background:#ffffff;\"\u003e\n\u003csummary style=\"cursor:pointer; font-weight:600;\"\u003eDo you offer accessories for these diesel heaters?\u003c\/summary\u003e\n\u003cp style=\"margin-top:14px;\"\u003eYes — we can supply a full range of diesel heater accessories including tanks, ducting, vents, exhaust parts and other fittings. If you need extras for your setup, please contact us for advice and pricing.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"Heatport","offers":[{"title":"12V","offer_id":53334337061182,"sku":"HP-H4S-12V-KIT","price":1999.0,"currency_code":"NZD","in_stock":true},{"title":"24V","offer_id":53334337093950,"sku":"HP-H4S-24V-KIT","price":1999.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0899\/5382\/9182\/files\/heatport-h4s-heater-unit-main..png?v=1776653135","url":"https:\/\/theoffgridstore.nz\/products\/heatport-h4s-4kw-diesel-heater-kit","provider":"The Off Grid Store","version":"1.0","type":"link"}