Wika 20025D010G2 Bimetal Dial Thermometer 50-500F

Product Description

The WIKA 20025D010G2 is a bimetal dial thermometer designed for temperature measurement in industrial and mechanical systems. It reads across a range of 50 to 500 degrees F (10 to 260 degrees C) and uses a bimetal sensing element housed in a stainless steel case rated to material grade 18-8. The stem measures 2.5 inches in length with a back-connection mount, positioning the dial face directly against panels, pipes, or equipment enclosures. HVAC technicians, plumbers, and industrial service professionals install this type of thermometer where a direct-read, no-power temperature indication is needed at a fixed measurement point.

This thermometer is suited for residential and light commercial HVAC systems, hydronic heating loops, boiler supply and return lines, and general process piping where surface or inline temperature monitoring is required. The back-connection mount makes it practical for pipe tee installations and panel-mount configurations where the stem inserts perpendicular to the dial face. The 50 to 500 degrees F range covers most heating system operating temperatures encountered in field service work.

Key Features

• Temperature range: 50 to 500 degrees F (10 to 260 degrees C)
• Bimetal sensing element requires no external power source
• Stainless steel housing, material grade 18-8
• 2.5 inch stem length with back-connection mount
• Accuracy rated at plus or minus 1.0 percent of full scale
• Direct-read analog dial suitable for panel or pipe tee mounting

Compatibility

Designed as an OEM-style replacement or new-installation bimetal thermometer for residential and commercial hydronic, HVAC, and process piping applications where a back-connected stem thermometer with a 2.5 inch stem is specified.

Installation Notes

Installation is typically performed by licensed HVAC technicians or plumbers. Shut off and depressurize the system before installing or removing the thermometer from any pressurized pipe or fitting. Use a properly sized thermowell or pipe tee fitting that matches the stem diameter to ensure a secure, leak-free installation. Follow applicable local mechanical codes and the IFGC or IPC as relevant to the system type.