The Pressure Regulating Valve, size 1 1/4 inch, is a high-quality product manufactured by Caleffi. This valve is designed to regulate the pressure in plumbing systems, ensuring that the water flow is consistent and controlled. The 1 1/4 inch size makes it suitable for larger plumbing systems, providing a reliable solution for maintaining optimal water pressure in your home. With the trusted Caleffi brand behind it, this Pressure Regulating Valve is a durable and efficient choice for your plumbing needs.