Siemens Building Technology 188-0031 Stat 320734-701 Complete Service Kit: Includes the

Complete Service Kit: Includes the flame sensor gasket and mechanical fasteners

Common Questions: Will this kit work with any Weil McLain boiler

as a high-capacity 20-ton TXV with ODF connections

offering expanded surface area for superior filtration and improved system circulation

Siemens Building Technology 188-0031 Stat 320734-701 Complete Service Kit: Includes theThe Siemens 188 0031 (Model TH 188D) is a professional grade unit mount pneumatic thermostat designed for precision control in fan coil units and unit ventilators. As a direct acting (DA) instrument, it employs a liquid filled sensing element and a remote bulb to provide gradual acting control of heating or cooling mediums. Operating on a force balance principle, this thermostat ensures high linearity and rapid response to temperature fluctuations