{"product_id":"reliable-mensi-39-5-thermocouple-keep-your-desa-lp-heater-running","title":"MENSI 39.5 in Gas Heater Thermocouple Replacement - Reliable Fit","description":"\u003cp\u003eIn this review of the MENSI 39.5 in Gas Heater Thermocouple Replacement, the bottom line is simple: this is a straightforward, reliable replacement part for owners of multiple vent-free wall heater models who need a durable thermocouple that fits without fuss. Reviewers found it to be an easy install and a good value, and the polished copper construction and CSA certified components make it a pragmatic choice for anyone repairing Comfort Glow or Blue-Flame vent-free heaters. If matching length and connection type matter, this unit delivers the necessary specs with minimal complication.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e39.5 in overall length:\u003c\/strong\u003e Provides the exact reach required for many wall-mounted Comfort Glow and Blue-Flame vent-free heater models so users can replace the original sensor without re-routing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper polished construction:\u003c\/strong\u003e Offers corrosion resistance and a tidy finished appearance behind the heater face for a professional repair job.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM81 end connection nuts:\u003c\/strong\u003e Matches the threaded fittings used on the listed heaters, making the mechanical connection straightforward for most DIYers and technicians.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature resistance 650C+ at head:\u003c\/strong\u003e Ensures the tip withstands high combustion temperatures for long-term reliability in vent-free operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30 millivolt thermocouple output:\u003c\/strong\u003e Works with standard pilot systems used by the included Comfort Glow and Blue-Flame models to maintain safe valve operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCSA certified parts:\u003c\/strong\u003e Gives peace of mind that the component meets recognized safety and quality standards for replacement parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis thermocouple is for homeowners, service technicians, and handypersons who own Comfort Glow or Blue-Flame vent-free wall heaters listed in the product description and need a like-for-like replacement. It is especially useful when the original thermocouple has failed, when pilot valve response time has become sluggish, or when a clean, correctly sized replacement is required for a safe repair.\u003c\/p\u003e\n\u003cp\u003eIt is less appropriate for users with non-listed heater models or those who need a custom-length sensor; buyers with different connection threads or non-vent-free systems should verify compatibility or seek a model specifically matched to their appliance.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect fit for many Comfort Glow and Blue-Flame vent-free heater models, reducing installation time.\u003c\/li\u003e\n\u003cli\u003eDurable copper finish and high temperature resistance that support long-term use in heater environments.\u003c\/li\u003e\n\u003cli\u003eCSA certification and standard 30 millivolt output that align with common safety and system requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOnly suitable for the listed models and those with M81 connections, so compatibility must be confirmed before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eMENSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall length\u003c\/td\u003e\n\u003ctd\u003e39.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial \/ finish\u003c\/td\u003e\n\u003ctd\u003eCopper polished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd connection\u003c\/td\u003e\n\u003ctd\u003eM81 nuts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermocouple output\u003c\/td\u003e\n\u003ctd\u003e30 millivolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature resistance\u003c\/td\u003e\n\u003ctd\u003e650C+ at head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eCSA certified part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe MENSI 39.5 in thermocouple is a dependable, correctly specified replacement for a wide range of Comfort Glow and Blue-Flame vent-free wall heaters. It represents solid value for anyone needing a direct-fit repair part with professional-grade materials and certification; just confirm the M81 connection and listed model compatibility before ordering.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this thermocouple fit my Comfort Glow CGN10 heater?\u003c\/strong\u003e\u003cbr\u003eYes, the 39.5 in MENSI thermocouple is listed as compatible with CGN10 series models that use an M81 connection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the part safe for high-heat use?\u003c\/strong\u003e\u003cbr\u003eYes, the head is rated to 650C+ and the assembly is CSA certified, indicating it is built for the temperatures encountered in vent-free heaters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a technician to install it?\u003c\/strong\u003e\u003cbr\u003eMany customers report easy installation, but anyone uncomfortable working on gas appliances should hire a qualified service technician for a safe replacement.\u003c\/p\u003e","brand":"MENSI","offers":[{"title":"Default Title","offer_id":46769155703003,"sku":"B07N67BHQS","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61vL_epqfwL._AC_SL1000.jpg?v=1747590570","url":"https:\/\/gearmusthave.com\/products\/reliable-mensi-39-5-thermocouple-keep-your-desa-lp-heater-running","provider":"GearMustHave","version":"1.0","type":"link"}