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simply deflate the bulb before making your connection to draw air or smoke directly into the gage
and differential pressure transmitters
Always verify your current blower wheel orientation before installation to ensure proper airflow direction
Easy Field Identification: Immediate visual verification of temperature ratings reduces installation errors and simplifies maintenance audits
specifically in applications like air handling units
Resideo TH105PLUS Programmable Thermostat 321142-301 simply deflate the bulb beforeThe Resideo TH105PLUS is a high performance line voltage programmable thermostat purposefully engineered for precise control of electric baseboard heaters, convectors, and fan forced heating systems. Operating on a 120 240 Vac supply, this unit features advanced Triac switching technology, which provides 100% silent operation by eliminating the mechanical clicking common in traditional relay based models. Industrial grade Triac for electric heat