Adjustable thermostatic mixing valve for domestic water systems and radiant hydronic systems. DZR low lead brass body. Max. working pressure: 200 psi. Max. inlet temperature: 195ﾺF. Adjustable range: 95ﾗ150ﾺF. Gauge scale: 30ﾗ210ﾺF. Gauge accuracy: ﾱ 6ﾺF. Gauge dial: 2" diameter.