Caleffi 521419AC Thermostatic and Pressure Balanced Mixing ValveThe Caleffi 521419AC Thermostatic and Pressure Balanced Mixing Valve delivers precise temperature control for domestic hot water, hydronic, and radiant heating systems. This thermostatic and pressure balanced mixing valve combines safety, efficiency, and durable brass construction to perform under up to 200 PSI and a 2: 1 inlet pressure ratio. With a nominal size of 1 2 inch and soldered end connections, it fits compact installations while maintaining

the BNR01077 ensures dependable ignition performance across service cycles

The epoxy-coated finish adds corrosion resistance and long-lasting durability in challenging environments

This dependable unit delivers efficient exhaust with 115V AC at 60 Hz and includes thermal protection for safe

AO Smith replacement part ensures proper fit and reliable operation

dependable 2-way control for air and vacuum service

Protects sensors from dust

the Carrier HK06WC090 pressure switch provides compatible

this circuit board provides compatibility with standard connectors and supports precise venting regulation

Ideal for HVAC applications requiring UL/CE approvals and ISO 9001 quality management

it powers the combustion venting system to safely draw gases and protect your equipment

Primary product: Y75AS-1H Ignition Control Flame Sensor

Upgrade your water system with the Caleffi 521516A Mixcal valve for safer