Belimo B320L Valve 321894-709 additional derating and different orifice

additional derating and different orifice sizing may be required per Reznor technical specifications

maintaining original equipment performance curves

While many pool heaters use a 135°F fixed limit

and all supply registers are open

Enhanced Surface Area: The 20x30x2 pleated geometry offers superior dust-holding capacity over flat-panel alternatives

Belimo B320L Valve 321894-709 additional derating and different orificeFor contractors demanding precise hydronic control, the Belimo B320L valve is a robust 3 4 inch, 3 way diverting ball valve engineered for critical HVAC applications. This unit features a durable nickel plated brass body, a chrome plated brass ball, and a nickel plated brass stem, ensuring longevity and reliable performance in demanding environments. With a Cv of 12. 8 and a 0% leakage rate, it delivers accurate flow regulation for chilled or hot