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as excessive pressure can prevent the pilot from shifting
It operates across multiple line voltages (120
25-inch shank and is engineered for both residential and commercial units that utilize LP gas
allowing technicians to fine-tune downstream pressure with extreme accuracy
reducing start-up time and gas waste
ZoneFirst SPRD-14 Damper 321894-709 as excessive pressure can preventThe ZoneFirst SPRD 14 Damper is a 14 inch round barometric static pressure regulating damper designed for high performance HVAC zoning. In a multi zone system, as individual zone dampers close, duct static pressure naturally increases. This barometric relief damper utilizes a single blade, counter balanced weighted arm to automatically compensate for this excess pressure, preventing coil freeze ups and high limit trips. Specifically engineered for
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