THREAD 3/4" Brass Fitting Blanking Cap – a durable brass closure designed to seal unused 3/4" threaded ports on boiler systems and heating circuits. Manufactured from corrosion-resistant brass, this fitting withstands high-temperature environments and prolonged exposure to water and steam without degradation. The male thread connection ensures a secure, leak-free fit on standard 3/4" female ports, making it ideal for isolating redundant connections, protecting open ports during maintenance, or completing system configurations. Essential for preventing water loss, air ingress, and contamination in closed-loop heating systems. Compatible across major boiler brands and heating applications.
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