content loaded
CALEFFI 521410A Image 1

CALEFFI 521410A 1/2 IP 3-WAY MIXING VALVE

MFR Part #: 521410A
SKU #: 3274726
Brand: Caleffi
UPC: 8016615507621
Caleffi MixCal™ 521410A 3-Way Adjustable Thermostatic and Pressure Balanced Mixing Valve, 1/2 in, MNPT, 200 psi, 1 gpm, Brass Body
Temperature Gauge
Domestic Water Systems and Radiant Hydronic Heating Systems
ANSI/NSF 372-2011 | ASSE 1017-2009 | CSA B125.3-2012 | FM 21654 | ISO 9001 | IPC/IRC/UPC and NPC Compliance | Low Lead Certified by ICC-ES File PMG-13 | ANSI/NSF 372 - 2016 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

Caleffi MixCal™ Thermostatic and Pressure Balanced Mixing Valve, 3-Way Adjustable, Series: 521, 1/2 in Nominal Size, MNPT, 200 psi, 85 to 150 deg F, 1 gpm Flow, Media: Water/Glycol, 5-1/4 in Inlet to Outlet Length, 2-9/16 in Top to Inlet Center, Brass Body, Stainless Steel Trim, EPDM Seal, 7-3/8 in H

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 valve has been specifically certified to ASSE 1017 and Low Lead Plumbing Law by IAPMO R&T.

Product Details

Caleffi MixCal™ Thermostatic and Pressure Balanced Mixing Valve, 3-Way Adjustable, Series: 521, 1/2 in Nominal Size, MNPT, 200 psi, 85 to 150 deg F, 1 gpm Flow, Media: Water/Glycol, 5-1/4 in Inlet to Outlet Length, 2-9/16 in Top to Inlet Center, Brass Body, Stainless Steel Trim, EPDM Seal, 7-3/8 in H

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 valve has been specifically certified to ASSE 1017 and Low Lead Plumbing Law by IAPMO R&T.

Attributes

Temperature Rating: 85 to 150 deg F
End Style: MNPT
Flow Capacity: 1 gpm
Media: Water/Glycol
Nominal Size: 1/2 in
Pressure Rating: 200 psi
Series: 521
Type: 3-Way Adjustable

Features

  • 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

Store Hours

Monday - Friday: 8:00am - 5:00pm Saturday: 9:00am - 5:00pm

Location

17111 118 Ave NW
Edmonton, AB T5S 2V3


Phone

780-451-2432

© 2026 Best Plumbing & Lighting. All Rights Reserved.