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This component ensures the seal remains airtight
As long as your unit utilizes the CD140 part number
This ASCO DIN terminal kit is designed to handle standard industrial voltages
This replacement HVAC sensor is a vital component for restoring outdoor reset capabilities and warm weather shutdown features in modern hydronic systems
while the Type 74T12 construction provides long-term durability in high-demand heating applications
Watts 0590719 Air Vent This component ensures the sealThe 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