Pressure‑temperature thermomanometer Sourcing 91258AD06120 — 1/2.6 bar, up to 120°C, low connection

The Sourcing pressure‑temperature thermomanometer 91258AD06120 combines pressure and temperature measurement in a single compact instrument. Designed for low (bottom) connection installation, this device provides simultaneous indication of system pressure in the 1/2.6 bar range and fluid temperature up to 120°C. The instrument is intended for direct mounting on boilers, heating circuits and HVAC systems where a space‑saving, dual-parameter gauge is required for routine monitoring and verification.

Advantages

This thermomanometer integrates two measurements into one instrument, reducing panel clutter and installation time compared with separate gauges. The low connection layout allows straightforward mounting at the bottom of boilers and pipework, giving a clear visual readout at eye level or on accessible panels. With a pressure span suitable for low-pressure heating systems and a temperature scale up to 120°C, the device covers common requirements in residential and light commercial installations. The combined display simplifies system checks and supports faster diagnostics of pressure‑temperature related faults.

Suitable for

• Boilers and domestic hot-water systems
• Central heating circuits and radiators
• Small commercial HVAC systems and technical panels
• Service and maintenance checks where compact monitoring is needed

Key specifications

• Pressure range: 1/2.6 bar (low-pressure span suited for heating systems)
• Temperature range: up to 120°C
• Connection type: low (bottom) connection for direct mounting
• Combined pressure and temperature indication in one instrument
• Dial display designed for clear visual reading

How to use

Mount the instrument using its low (bottom) connection onto the compatible port on the boiler, manifold or pipe tee. Ensure the system is depressurized before installation and use appropriate sealing material on the threaded connection to prevent leaks. Once installed, bring the system up to operating temperature and pressure; observe the pressure and temperature readings on the combined dial. Use the readings to confirm correct system fill pressure, detect pressure loss, and verify that fluid temperature remains within safe operating limits up to 120°C.

Usage recommendations

For reliable measurement, install the thermomanometer at a location that remains accessible and visible during normal operation, and avoid direct exposure to strong vibration or heavy mechanical shock. Periodically inspect the connection for leakage and confirm the readability of the dial; replace the instrument if the pointer or scale becomes damaged. For systems that exceed the specified pressure or temperature ranges, choose a device rated for higher values to ensure safety and accuracy.