Features 1、Precises Resistance for Reliable Ignition: With an internal resistance of approximately 4000 mΩ at 25°C, this thermopile guarantees a stable and reliable ignition process, requiring a heating voltage exceeding 750mV. 2、Versatile Connection Options: Designed for easy installation, it offers both spiral and bipolar plug-in connection methods, making it compatible with a wide ranges of gases heating equipment including fireplaces, gases water heaters, and deep fryers. 3、Universal Fit for Multiple Brands: Compatible with numerous replacement part numbers such as 60125501, 60J79, 60J7901, H5882, R942, R1054, 2103-512, 1950-001, 071515, 53374, 7533113 and more, this thermopile ensures a perfect fit for various models, saving you the hassle of searching for specific parts. 4、Quick Heating Response: Reaching the critical 750mV threshold in just 60 seconds, this thermopile quickly activates the valve, minimizing wait time and maximizing your appliance's efficiency. 5、Durability Meets Safety: Crafted from premium materials and featuring glass fibers-wrapped wires, this thermopile ensures long-lasting performance while maintaining high safety standards, giving you peace of mind. 6、Time-Tested Technology for Self-Powered Heating: As a 750mV replacement thermopile generator, it utilizes mature technology trusted by self-powered heaters and hot water systems for years, delivering consistent and dependable heating performance. Specification Material: Brass + Stainless Steel Length: 610mm(24.0in)/910mm(35.8in)(optional) Package Size: 170 * 120 * 20mm/ 6.7 * 4.7 * 0.8in Package Weight: 610mm: 35g/ 1.23oz 910mm: 44g/ 1.55oz Package List 1 * Thermopile