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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
This part is the standard for Master-Fit BTC series models
High-Speed Performance: Operates at 3300 RPM to provide the necessary negative pressure to close the furnace pressure switch and initiate ignition
airtight fit with standard pressure tubing
Key Benefits Factory Calibrated Precision: Monitors fluid and airflow velocities between 30 and 3000 cm/s for consistent system stability
ensuring the compressor oil remains at the correct viscosity for immediate lubrication
Siemens Building Technology 356-0750 Thermostat 318973-401 This part is the standardThe Siemens 356 0750 Limitem is a heavy duty, pneumatically operated direct acting thermostat engineered for precise temperature control in demanding commercial HVAC environments. Featuring a rugged 18 inch rigid bulb sensing element, this TH 356 Limitem model is the industry standard for monitoring air temperatures in air handling units, unit ventilators, and discharge air ducts where thermal stratification is a concern. The construction utilizes a