Resideo TH105PLUS Programmable Thermostat 321142-301 simply deflate the bulb before

simply deflate the bulb before making your connection to draw air or smoke directly into the gage

and differential pressure transmitters

While many condensing traps look similar

s internal housing before ordering

ensure a clean seal against the heat exchanger face to prevent flue gas leakage

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