3/4" Caleffi 520 TankMixer Mixing Valve with GaugeNPT Male Union System Connections (520510AX)

Adjustment temperature range: 95ﾺF - 150ﾺF. Max. working pressure (static): 150 psi. Max. working pressure (dynamic): 75 psi. Max. inlet temperature: 195ﾰF. Gauge scale: 30ﾗ210ﾺF. Gauge accuracy: ﾱ 6ﾺF. Gauge dial: 2" diameter. Minimum flow for optimum performance: 0.5 GPM (0 GPM with recirculation). Tank: ﾾ" NPT female union connections. System: ﾾ" NPT M, press or sweat union connections.