Caleffi NA503040 Temperature Pressure GaugeThe Caleffi NA503040 temperature pressure gauge is a reliable dual reading instrument that provides precise temperature gauge readings and pressure gauge monitoring for heating, cooling, and hydronic systems. Built for everyday pipework, this compact instrument delivers quick, legible results and helps technicians diagnose issues faster. Designed for installers and service professionals, the NA503040 combines essential temperature and pressure

Nominal size: 1 inch

and helping maintain steady airflow

Armstrong 75W15 is a Board Mount Limit Control rated for 165°F

Crafted for durability and easy installation

and EF100T150

helping minimize downtime and maintenance costs

Zero differential pressure operation

this HVAC motor minimizes energy use while maintaining consistent airflow

Coil: MX140

5 inch size matches standard EZ1 burner configurations

The TFX24 US supports straightforward installation and compatibility with common controls

Includes hardware assembly for quick