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Key Benefits for Technicians Precise Pressure Control: Enables a stable 5-12" WC pressure range for varied gas regulator settings
For standard 24 VAC circuits
Repeated tripping of an L255F-30 limit switch is typically indicative of restricted airflow
providing a fail-safe cutoff to prevent dangerous overheating if airflow is restricted or the primary limit fails to trip
Watts 0590719 Air Vent Key Benefits for Technicians PreciseThe Watts 0590719 is a high performance 1 8 inch NPT air vent designed for veteran contractors who require reliable air elimination in pressurized hydronic heating systems. Engineered as a direct replacement for the DUOVENT 1 8, this unit features a rugged brass body and cover capable of handling system pressures up to 150 PSI and temperatures reaching 240F. Its unique dual function design incorporates an automatic vent with a black cap for continuous
