John Guest Plastic 12mm x 1/2 BSP Straight Male Stem Adapter - PM051214E
The John Guest Plastic 12mm x 1/2 BSP Straight Male Stem Adapter - PM051214E is a high-quality push-fit plumbing adaptor designed for reliable water system connections in caravans, RVs, and off-grid setups. It features a 12mm push-in stem on one end and a 1/2” BSP male thread on the other, allowing seamless connection between John Guest 12mm pipework and standard threaded fittings.
Manufactured from durable composite plastic, this fitting is lightweight, corrosion-resistant, and built for long-term performance in potable water systems. The push-fit design ensures a secure, leak-resistant connection without the need for special tools, making installation fast and simple.
Ideal for caravan water systems, camper builds, and general RV plumbing applications, this adaptor is fully compatible with John Guest 12mm pipe and fittings. It’s a reliable solution where a transition from push-fit pipe to BSP threaded components is required.
