Caleffi MixCal™ 521 Series 521616AC Adjustable Thermostatic Mixing Valve, 1 in, Press, 1.3 gpm, 200 psi, Brass

Caleffi MixCal™ Adjustable Thermostatic Mixing Valve, 521 Series, 1 in Nominal, Press Connection, Number of Ports/Ways: 3-Ways, 1.3 gpm Flow Rate, 200 psi, 3 Cv Flow Coefficient (Cv), PPO Seat, EPDM Seal, Brass, +/-6 deg F Gauge Accuracy, 2 in Gauge Dial, Check Valve, Lead-Free, 85 to 150 deg F, 8-5/8 in L x 8-5/8 in H, Domestic/Import: Import

The Caleffi MixCal™ 521 Series three-way thermostatic mixing valve is used in systems producing domestic hot water or in hydronic and radiant heating systems. It maintains the desired output temperature of the mixed water supplied at a constant set value compensating for both temperature and pressure fluctuations of the incoming hot and cold water. The MixCal™ thermostatic mixing valve is ICC-ES certified to ASSE 1017 and CSA B125.3. It complies with codes IPC, IRC, accordance with the US and Canadian plumbing codes and standard NSF/ANSI/CAN 372, low-lead. Low-lead ball valves available for inlet and outlet isolation, field install.

• 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
• Posi-Stop™ union seal and internal O-ring seals stands up to treated water, chlorine or chloramines
• Tamper-proof adjustment setting lock prevents tampering of the mixed water temperature set point
• Precisely manufactured finely machined threads and double O-rings for smooth knob adjustment

Specifications