This Honeywell D06F Pressure Reducing Valve is a crucial component for any home with a storage tank water heater. It is designed to regulate the flow of water into the heater, ensuring that it operates at the desired temperature and pressure. With a compact profile and easy side water connexion, this valve is ideal for boiler heating systems and has an EC range of A+++ - D. The brand Honeywell is known for its quality products, and this valve is no exception. It is perfect for those looking to maintain the optimal performance of their water heater.