Pay in 4 interest-free payments of $23.47 Learn more
Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
the 99K70 offers a precision fit to restore factory-rated flow rates and pressure head requirements
For technicians performing a Weil McLain Ultra service
as excessive pressure can prevent the pilot from shifting
this is an electrolytic capacitor designed for intermittent starting duty only
ZoneFirst SPRD-14 Damper 321894-709 the 99K70 offers a precisionThe 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