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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Common Questions: How do I calibrate the set point for specific duct pressures
Broad Compatibility: Supersedes multiple older part numbers including LH33ZS001A and 332505-751
though the operational temperature and pressure limits will be dictated by the specific body rating (VT for general service and VS for steam)
or exhaust circuits based on system demand
the VT3221 delivers consistent HVACR valve performance in demanding environments
Maxitrol TS10765B Sensor Els PW 17895 Common Questions: How do IThe Maxitrol TS10765B is a high precision 5: 1 ratio inlet air reset sensor designed specifically for integration with a mixing tube in high performance gas modulation systems. As a critical component for Maxitrol Selectra Series 14, 21, and 31 electronic gas flame modulation, this sensor facilitates an inverse relationship between inlet air temperature and discharge air temperature. By sensing fluctuations in the intake air duct, the TS10765B sensor