39" - 42" Circular OpeningCircular Opening Universal Gas Insert Kits by Warming Trends® Share Manufacturer: Warming Trends Brand: Warming Trends® Collection: Circular Opening Universal Gas Insert Kits Model: 39" - 42" Circular Opening Year: 2026 Add to Quote Check Availability Ask a Question Trade-In Value Lovely place . Many options to choose from . The staff are knowledgeable and helpful Gabrielle Mella The customer service skills of the staff rates a five star review on its own merit. I have dealt with five different staff members and am greatly impressed with their attitudes, product knowledge, communication skills, and their willingness to take time and effort to ensure a happy consumer.This is a great local business that is most deserving of community support. Robert Jones Great customer service!! Buy your hot tub from here, they are the best! Penny Thompson Called Nicks for some work on my gas fireplace. They weren't cheap but you get what you pay for and they went above and beyond for me. Very satisfied with the work. David White Would absolutely recommend Nick’s to anyone and everyone!!! We use the. In all our homes and live the service and products! Tai Weasley Great guys and great service. I purchased a Green Mountain Grill Ledge Prime and some accessories and couldn't be happier with the service and purchase. Phil M DescriptionWarming Trends® makes it easy to install or convert a paver fire pit to gas with our Gas Insert Kits. Each kit includes a CROSSFIRE® Brass Burner which utilizes cutting-edge jet technology to produce a taller, brighter, and more natural flame – all while consuming less gas. Warming Trends® Universal and Specialized Gas Insert Kits are designed to work with a variety of paver company block kits, including everything needed to convert your paver fire pit. Manufacturer InfoUPK240C39NG | UPK240C39LPIncludes:CFB240 Original Brass Burner with WATERSTOP39” Circular Aluminum PlateFlex Line / Key Valve KitKey Valve Extension(7) CollarsOptional Ignition SystemsLight your Fire Feature with the simplicity of a match or choose a fully automatic ignition system.Push Button Ignition (PBIK)Mercury Ignition System™ (MERC)3 Volt (3VIK)Standard 24V (24VIK)Platinum Ignition System™ FeaturesMade in USA Downloads Available OptionsLabelModel NumberFuel TypeNatural GasUPK240C39NGNatural GasPropaneUPK240C39LPPropane Specifications Fire Pits & Patio Heaters Type: Burners & Kits Shape: Round Frame Material: Aluminum Fuel Types: 2 types available Size: 23.00" x 23.00" Share Manufacturer: Warming Trends Brand: Warming Trends® Collection: Circular Opening Universal Gas Insert Kits Model: 39" - 42" Circular Opening Year: 2026 Add to Quote Check Availability Ask a Question Trade-In Value Lovely place . Many options to choose from . The staff are knowledgeable and helpful Gabrielle Mella The customer service skills of the staff rates a five star review on its own merit. I have dealt with five different staff members and am greatly impressed with their attitudes, product knowledge, communication skills, and their willingness to take time and effort to ensure a happy consumer.This is a great local business that is most deserving of community support. Robert Jones Great customer service!! Buy your hot tub from here, they are the best! Penny Thompson Called Nicks for some work on my gas fireplace. They weren't cheap but you get what you pay for and they went above and beyond for me. Very satisfied with the work. David White Would absolutely recommend Nick’s to anyone and everyone!!! We use the. In all our homes and live the service and products! Tai Weasley Great guys and great service. I purchased a Green Mountain Grill Ledge Prime and some accessories and couldn't be happier with the service and purchase. Phil M Circular Opening Universal Gas Insert Kits A Collection By Warming Trends® See All 23" - 26" Circular Opening Universal Gas Insert Kits Starting MSRP Learn More Add to Quote 29" - 32" Circular Opening Universal Gas Insert Kits Starting MSRP Learn More Add to Quote 35″ - 38″ Circular Opening Universal Gas Insert Kits Starting MSRP Learn More Add to Quote 26" - 29" Circular Opening Universal Gas Insert Kits Starting MSRP Learn More Add to Quote Fire Pits & Patio Heaters We Can Order See All AON 42" Circular Fire Table Starting MSRP Learn More Add to Quote Circular FC72 Ready-To-Finish Kit Starting MSRP Learn More Add to Quote W-Series Single Element Infrared Heaters Starting MSRP Learn More Add to Quote Circle Tree-Style CFBCTL120 CROSSFIRE® Brass Burner Starting MSRP Learn More Add to Quote Nest Lantern Fire Urn Starting MSRP Learn More Add to Quote Reverie Round Gas Fire Pit Table 42" Starting MSRP Learn More Add to Quote Outdoor Inverted Fire Table Starting MSRP Learn More Add to Quote AON 40" Square Fire Table Starting MSRP Learn More Add to Quote H-Style UH200 CROSSFIRE® Brass Burner Starting MSRP Learn More Add to Quote 35" - 38" Square Opening Universal Gas Insert Kits Starting MSRP Learn More Add to Quote Polycor Specialized Gas Insert Kit Starting MSRP Learn More Add to Quote Crystal Fire® Linear Stainless Steel Plus Burner Starting MSRP Learn More Add to Quote Quick Search Hearth Appliances (5)Hot Tubs & Swim Spas (4) Hearth Appliances (569)Fire Pits & Patio Heaters (257)Grills & Outdoor Kitchens (252)Hot Tubs & Swim Spas (30)Refrigeration Appliances (8)Patio Furniture (2) All Fuel TypesPropane (228)Natural Gas (225)Electric (17)Wood (2) All FeaturesMade in USA (224)Adjustable Flame (93)Remote Control (61)Wind Guard (51)Color Changing (9) All FeaturesMade in USA (9)Adjustable Jets (4)Massage Jets (4)Waterfall (4)Remote Control (4)Color Changing (4)Touchscreen Control (3)JetPaks (3)Lounger Seat (2)Multi-Sided (2)Volcano Jet (1) Any Total Heat Output (BTU)1,706 - 141,279 BTU141,280 - 280,853 BTU280,853 - 420,426 BTU420,427 - 560,000 BTU Go While every reasonable effort is made to ensure accuracy, due to continuous product improvement, standard features, options, pricing, and specifications may change at any time without notice. Please contact us for current information.