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

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

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

Featuring a NEMA 4 enclosure and 8-watt power rating

the 25A-HD is a make-up water feeder designed for boiler receiver tanks or storage tanks

This model relies on the primary or secondary circuit protection provided by the boiler's integrated control board or external inline fusing

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