{"product_id":"mr-heater-mh9bx-portable-propane-heater-4k-9k-btu-225-sq-ft","title":"Mr Heater MH9BX Portable Propane Heater – 4K–9K BTU, 225 sq ft","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet the Mr Heater MH9BX, a portable propane heater designed for enclosed spaces such as large tents and sheltered outdoor areas. It combines a clean-burning radiant flame with a compact footprint, delivering warmth where you need it most without demanding a lot of space. Built to pair with common propane setups, this unit balances output and portability for outdoor enthusiasts, workers, and temporary heating needs.\u003c\/p\u003e\n\u003cp\u003eLightweight and thoughtfully designed, the MH9BX uses a straightforward ignition process and a versatile regulator system. The pivotal feature set includes a fold-down handle for easy carrying, a swivel regulator that supports both disposable cylinders and remote gas sources, and a safety profile that emphasizes reliable operation in varied conditions. While it runs on a 1 lb cylinder, you can opt for a hose and filter to extend flexibility for different setups.\u003c\/p\u003e\n\n\u003ch3\u003eKey capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e4,000 to 9,000 BTU radiant heat for spaces up to 225 square feet, with a clean-burning and efficient profile.\u003c\/li\u003e\n\u003cli\u003eOutdoor-approved design with features aimed at safe, controlled heat delivery.\u003c\/li\u003e\n\u003cli\u003eAuto shut-off if tipped over, if the pilot light goes out, or if oxygen levels rise or fall unexpectedly.\u003c\/li\u003e\n\u003cli\u003eFold-down handle and swivel-out regulator to ease transport and adapt to different fuel connections.\u003c\/li\u003e\n\u003cli\u003eRun time around 5.6 hours at the minimum BTU setting when used with a 1 lb cylinder.\u003c\/li\u003e\n\u003cli\u003eAuthorized accessories only; avoid unauthorized attachments to maintain warranty coverage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePractical uses\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for heating tents and sheltered spaces at campsites, events, or temporary work sites.\u003c\/li\u003e\n\u003cli\u003eReliable warmth for backyard shelters, outdoor lounges, or emergency setups where electricity isn’t available.\u003c\/li\u003e\n\u003cli\u003eSimple ignition and flame control provide a quick heat source when you need it most.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety and altitude notes\u003c\/h3\u003e\n\u003cp\u003eAltitude above 7,000 feet may cause automatic shutdown in some conditions. The unit’s oxygen depletion sensor and tip-over safety contribute to safer operation in ventilated spaces.\u003c\/p\u003e\n\n\u003ch3\u003eOperation tips\u003c\/h3\u003e\n\u003cp\u003eTo light the unit, rotate the control knob to the pilot position and push, then rely on the Piezo sparking mechanism to ignite. Place the heater on a stable, level surface away from flammable materials and authorized accessories only to preserve warranty terms.\u003c\/p\u003e\n\n\u003cp\u003eWith its durable design and practical features, the MH9BX offers a portable warmth solution that adapts to tents, shelters, and temporary spaces while prioritizing safety and ease of use. This makes it a considerate option for anyone who wants reliable heat in variable outdoor conditions.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the MH9BX safe to use indoors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Equipped with an oxygen depletion sensor and tip-over safety, it is designed for enclosed spaces with proper ventilation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What heating area and runtime does it offer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: 4,000–9,000 BTU for up to 225 sq ft; runtime about 5.6 hours at the minimum BTU.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Mr Heater","offers":[{"title":"Default Title","offer_id":42465982873685,"sku":"B000JT7IGQ","price":152.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/mr-heater-mh9bx-front-view.jpg?v=1778031935","url":"https:\/\/plentytorque.co.uk\/products\/mr-heater-mh9bx-portable-propane-heater-4k-9k-btu-225-sq-ft","provider":"PlentyTorque","version":"1.0","type":"link"}