Watts 0590716 Air Vent To maintain a proper airtight

To maintain a proper airtight seal

20" WC rating on your existing switch to ensure proper pressure differential matching

This assembly is typically used when the control circuit requires additional resistance to match the electrical characteristics of specific 36C valve and pilot combinations

though you must always refer to the specific unit nameplate for final verification

the 767A-357 is the direct replacement model for the older 767A-303 ignitor

Watts 0590716 Air Vent To maintain a proper airtightThe Watts 0590716 (Series FV 4M1) is a heavy duty 1 4 inch automatic air vent designed for high performance hydronic heating systems. As the direct replacement for the discontinued 590715, this valve is engineered to purge entrapped air from hot or cold water distribution systems automatically. Built with a rugged brass body and cover, it features a high temperature resistant polyethylene float and a durable silicone rubber seal, making it fully