{"product_id":"siemens-qfm81-21-duct-hygrostat-gray-analog-display","title":"Siemens QFM81.21 - Duct Hygrostat, Gray, Analog Display","description":"\u003cp\u003eDuct Hygrostat, Display Type Analog, Sensing Element Type All-Polymer, Mounting Location Return Duct Mount, Wall Mount, Housing Material Polycarbonate, Housing Color Gray, Probe Length Not Applicable, Temperature Accuracy Not Applicable, Electrical Connection Type Screw Terminals, For Use With Building Automation Systems Building Automation System Compatible, Compatible Building Automation Protocols BACnet IP, BACnet MS\/TP, LonWorks, LoRaWAN, Modbus, MP-Bus, Measurement Type Single\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":43253415837790,"sku":"QFM81.21","price":228.89,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Grainger_314H46xx1xx7350a5.jpg?v=1788375373","url":"https:\/\/nationalboilersupply.com\/products\/siemens-qfm81-21-duct-hygrostat-gray-analog-display","provider":"National Boiler Supply","version":"1.0","type":"link"}