Caleffi 521619AC

Caleffi MixCal™ Thermostatic and Pressure Balanced Mixing Valve, 3-Way Adjustable, Series: 521, 1 in Nominal Size, C, 200 psi, 85 to 150 deg F, 1 gpm Flow, Media: Water/Glycol, 6-1/2 in Inlet to Outlet Length, 2-9/16 in Top to Inlet Center, Brass Body, Stainless Steel Trim, EPDM Seal

• Large mixing chamber and thermostatic cartridge - Enables precise mixed temperature stability during inlet temperature and pressure variations
• Anti-scale polymer materials - Inhibits scaling on internal sliding surfaces, assuring stable temperature control and long life
• Tamper-proof adjustment setting lock - Prevents tampering of the mixed water temperature setpoint
• Peroxide-cured seals - Stands up to treated water, chlorine or chloramines
• Precisely manufactured - Finely machined threads and double o-rings for smooth knob adjustment
• Internal anti-scale materials
• Locking set point knob