Universal Rectangular Terminal Guard - JS Coated for Non-condensing and Oil Boilers. Brand new, premium quality compatible terminal guard. This guard is designed to protect your boiler's terminal from damage and environmental factors, ensuring optimal performance and longevity. Its robust construction and JS coating provide excellent durability and resistance to corrosion. Suitable for non-condensing and oil boilers, this guard offers a universal fit for easy installation. Protect your investment with this reliable and high-quality terminal guard.