Standardized Specs: The 1/3 HP rating and 1100 RPM speed profile are calibrated to meet the exact airflow CFM requirements of the original system design

the Hydrolevel 45-026 ensures reliable performance in diverse residential and light commercial hydronic applications

the 3004-1 utilizes a sensitive color-changing element to detect elevated dew points before moisture contamination reaches pneumatic tools or sensitive instrumentation

wc for natural gas

or a failure to close the pressure switch during the furnace startup sequence

Dwyer Instruments 2004 Pressure Gage 320788-704 Standardized Specs: The 1/3 HPThe Dwyer Instruments 2004 Magnehelic Differential Pressure Gage is the industry standard for monitoring filter resistance, fan pressures, and duct velocity in commercial HVACR systems. Built with a rugged die cast aluminum housing and a 4 inch diameter dial face, this mechanical gauge provides a clear 0 4. 0" w. c. range with 2% accuracy throughout the scale. The frictionless Magnehelic movement utilizes a high precision cobalt magnet and a silicone