Bronze body features large unrestricted waterways, special heat resistant composition diaphragms, silicone relief seat and an easy to clean inbuilt stainless steel strainer. All units have a test lever and an inbuilt check valve to prevent backflow. Provides pressure control and protection from thermal expansion.
Note: The relief section of all cash acme dual controls is for thermal expANSIon only. For proper pressure relief protection, the boiler must also be provided with a properly sized ASME-rated relief valve.
Designed for hot water space heating installations.