{"product_id":"vulcan-gas-heater-knob-black-49-series-ct49441003sp","title":"Vulcan Gas Heater Knob, Black, 49 Series","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThis black replacement knob is for Vulcan 49 Series gas heaters, designed to get your old unit working smoothly again. It’s a direct replacement part, meaning less mucking around on the job.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eAnyone who's serviced an older Vulcan gas heater knows how brittle original plastic parts can get over time, especially after years in the harsh Australian climate. Swapping out a worn knob keeps your heater looking tidy and operating correctly.\u003c\/p\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eBest For\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 10px;\"\u003eHVAC service technicians maintaining older residential gas heating systems.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 10px;\"\u003eCompetent DIY homeowners replacing a broken or worn control knob.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 10px;\"\u003eSpares inventory for common Vulcan heater repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eCompatibility\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThis knob is a direct replacement for old Vulcan 49 Series gas heater units. It matches the original part number 49441003SP, which is also associated with Bonaire. If you're running a different model, check fittings and specs before ordering.\u003c\/p\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eFeatures\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e Designed to suit the Vulcan 49 Series for hassle-free replacement.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eBlack Finish:\u003c\/strong\u003e Matches the factory look of many older Vulcan units.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built to withstand regular use on a heater control panel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 10px;\"\u003e1x Vulcan Gas Heater Knob, Black (CT49441003SP)\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eUsing It on the Job\u003c\/h2\u003e\n\u003col style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 10px;\"\u003eEnsure the gas supply and electrical power to the heater are isolated and locked out before commencing work.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 10px;\"\u003eGently pull the old knob straight off the control shaft. It might be stiff if it hasn't been removed in a while.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 10px;\"\u003eInspect the control shaft for any damage or debris. Clean if necessary.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 10px;\"\u003eAlign the new black knob with the shaft and press it firmly into place until it seats correctly.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 10px;\"\u003eRestore gas and power, then test the knob's operation through its full range.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eLimitations \u0026amp; Safety Notes\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 10px;\"\u003eThis knob is only compatible with Vulcan 49 Series gas heaters. Verify your unit's model before purchase.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 10px;\"\u003eAlways isolate gas and electrical power before attempting any repairs on a gas appliance.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 10px;\"\u003eWork on gas appliances should be performed by a licensed professional in accordance with Australian standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote style=\"border-left: 4px solid #007acc; background-color: #f9f9f9; font-style: italic; padding: 15px; margin: 20px 0;\"\u003eBefore you toss the old knob, double-check the shaft type – some older models had D-shafts while others were splined. This replacement is designed for the standard Vulcan 49 Series shaft, so confirm it matches your existing setup for a clean fit.\u003c\/blockquote\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003ePair with other essential gas heating spare parts like ignitors and flame failure valves to keep your service vehicle stocked.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Automated FAQ Schema --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What Vulcan heater models is this knob compatible with?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This black replacement knob, SKU CT49441003SP, is specifically designed to suit old Vulcan 49 Series gas heater units, ensuring a direct fit for the original part.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is special tooling required to replace this knob?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No special tools are generally required for this knob. It's designed for a simple pull-off, push-on installation, but always ensure gas and power are safely isolated before you start.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What should I check before ordering if I'm unsure it will fit?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Before ordering, confirm your heater is a Vulcan 49 Series model and visually inspect the existing knob's shaft type. While this knob is a direct replacement, checking prevents a wasted trip to the job site.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Bonaire","offers":[{"title":"Default Title","offer_id":43569063297083,"sku":"CT49441003SP","price":22.06,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0316\/7787\/4235\/files\/780_CT49441003SP_1.png?v=1780543583","url":"https:\/\/www.hvacshop.com.au\/products\/vulcan-gas-heater-knob-black-49-series-ct49441003sp","provider":"HVAC Supply Shop","version":"1.0","type":"link"}