Caleffi MixCal™ 521519AC is a 3/4" sweat thermostatic mixing valve with integral check valves, designed for domestic water and radiant hydronic heating systems. Low-lead brass body maintains setpoint temperature (85–150°F) within ±3°F despite inlet temperature and pressure variations. Includes temperature gauge, tamper-proof adjustment lock, and anti-scale polymer internals. Max working pressure 200 PSI; min flow 1.0 GPM. NSF 372 compliant.
Caleffi 521519AC 3/4" Sweat Thermostatic Mixing Valve w/ Checks
Caleffi
$233.95
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Caleffi
Caleffi 521519AC 3/4" Sweat Thermostatic Mixing Valve w/ Checks
- SKU:
- 521519AC
- Product Type:
- Thermostatic Mixing Valve
- Subcategory:
- Point-of-Distribution Mixing Valve
- Application:
- Residential/Commercial
- System Type:
- Hydronic Heating, Domestic Water, Radiant Floor
- Installation Type:
- OEM Replacement
- Temperature Range:
- 32°F to 200°F (inlet max)
- Setpoint Range:
- 85–150°F
- Pressure Rating:
- 200 PSI
- Inlet Size:
- 3/4" Sweat
- Connection Type:
- Sweat/Solder
- Connection / Joint:
- Sweat/Solder
- Material:
- Low-Lead Brass
- Control Type:
- Non-Programmable
- Lead-Free (NSF/ANSI 372):
- Yes
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