Caleffi MixCal™ 521619A is a three-way thermostatic mixing valve with integral outlet temperature gauge, designed for domestic hot water and hydronic heating systems. Features low-lead brass construction, anti-scale polymer internals, and stable mixed-temperature performance across varying inlet conditions. 1" sweat (solder) connections; adjustable 85–150°F setpoint with tamper-proof lock.
Caleffi 521619A 1" Sweat Thermostatic Mixing Valve w/ Gauge
Caleffi
$242.95
In Stock
- SKU:
- 521619A
- Product Type:
- Three-Way Thermostatic Mixing Valve
- Subcategory:
- Domestic Hot Water / Hydronic
- Application:
- Residential/Commercial
- System Type:
- Boiler, Hydronic Heating, Domestic Hot Water
- Installation Type:
- OEM Replacement
- Temperature Range:
- 32°F to 200°F
- Setpoint Range:
- 85–150°F
- Pressure Rating:
- 200 PSI
- Inlet Size:
- 1" Sweat
- Connection Type:
- Sweat/Solder
- Connection / Joint:
- Sweat/Solder
- Material:
- Low-Lead Brass
- Lead-Free (NSF/ANSI 372):
- Yes