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Built with high-grade copper windings and professional-grade encapsulation
though you must always refer to the specific unit nameplate for final verification
20" WC rating on your existing switch to ensure proper pressure differential matching
the 767A-357 is the direct replacement model for the older 767A-303 ignitor
The unit is housed in a durable
Watts 0590716 Air Vent Built with high-grade copper windingsThe 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
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