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Maximum Pressure: 150 psi (10 bar)
Temperature Range: 33F - 240F (5C - 116C)
Float is high temperature resistant polyethylene
Suitable for use with glycol systems
Impurities do not usually affect function as maximum float line of water is always lower than the valve seal
Watts 0590715 1 8 FV-4M1 Automatic Float Vent B000MINF34