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this unit is the designated drop-in replacement provided by the manufacturer
Critical for LP gas conversion kits and maintaining furnace efficiency
Standard Fitting: 1/2" MNPT connection ensures easy replacement and integration into existing gauge glass sets
whereas safety valves typically pop fully open immediately
this unit allows for thermal expansion during continuous operation
Zonefirst AOBD-12X10 Damper R-410A this unit is the designatedThe Zonefirst AOBD 12X10 is a heavy duty automatic opposed blade damper designed for precision airflow management within forced air zoning systems. Measuring 12 inches wide by 10 inches high, this unit features an opposed blade damper configuration, which is the preferred choice for veteran technicians seeking to minimize air turbulence and ensure a more linear pressure drop compared to parallel blade designs. Utilizing a 24Vac power open power closed
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