1″ MixCal Adjustable Thermostatic and Pressure Balanced Mixing Valve With Gauge (press)

Mixing valve 1" PRESS with temperature gauge

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, NPC and UPC for use in accordance with the US and Canadian plumbing codes, and standard NSF/ANSI/CAN 372, low lead.

Caleffi code 290030 full-port ball valve is designed for isolating the MixCal 521 series that has 1" metric "G" thread union connections. The isolation valve installs in between the valve body and the tailpiece fitting assembly. Male x Female configuration and bi-directional full ball valve flow capacity provides flexibility for using one or two isolation valves for the primary functioning valve. An optional stem extension is also available for those projects that require pipe insulation.

• Low-lead brass valve body and fittings.
• Internal anti-scale materials.
• Peroxide-cured EPDM seals.
• Locking set point knob.
• Max working pressure:  200 psi
• Max recommended differential pressure:  20 psi
• Max inlet temp:  200˚F
• Adjustable range:  85˚ – 150˚F

Min flow for optimum performance:  1.0 gpm

Compliance with the following codes:  IPC, IRC, UPC and NPC for use in accordance with the U.S. and Canadian plumbing codes

Compliance with the following standards:

ASSE 1017
CSA B125.3
NSF/ANSI 372 – Drinking Water System Components – Lead Content
Reduction of Lead in Drinking Water Act – California Health and Safety Code 116875
S.3874 – Reduction of Lead in Drinking Water Act
Vermont Act 193 – The Lead in Plumbing Supplies Law
Maryland’s Lead Free Law Hb.372