Features: OOTDTY Ensures your pool is alway on the temperature with our high precisions, well matched heating Systems factor for various models. Crafted from materials, our heater elements consist of chimney sensors and thermal resistors that supply appropriate temperature tracking and intelligent security measures to prevent overheating. Suitable for swimming pool maintenance experts and SPA middle householders who call for performances and safety in their heating systems. These main factor are designed for seamlesses integration into each day operations of pools and spa facilities, retaining a continuing and cozy water temperature. With clear set up and defense mechanisms, our heating Systems ingredients ensures a warmth and alluring experience, editing visitor pleasure in your spa retreats. Specifications: Texture: Metal Part Number: 42002-0024S, 42001-0053S, 42001-0060S (3902), 42002-0025S, 42001-0063S Working Temperature -20 ℃~80 ℃ Size: As Picture Shows Package Includes: 1 Set Stack Flue Note: Please enable 1-2cm errors because of handbook measurement. Due to the variations between varied monitors, the picture may not replicate the actual coloration from the item.