Broad Compatibility: Direct replacement for low pressure switch SWT3018 and SWT03018 in TTA

Direct OEM Fit: Specifically designed as an OEM replacement part for Johnson Controls installations

Key Benefits Universal Compatibility: Engineered as a drop-in replacement for part numbers 100208251

The unit is equipped with a 6-foot copper capillary and a Style 1 sensing bulb to ensure precise thermal response across the entire spectrum

Viessmann 7839705 Radial Fan 318973-401 Broad Compatibility: Direct replacement forThe Viessmann 7839705 Radial Fan is a critical combustion blower designed specifically for high efficiency gas condensing boilers. This RG148E 120V replacement fan manages the precise air fuel ratio required for proper modulation and optimal burner performance. As a direct OEM component, it ensures seamless integration with the boilers control logic, preventing ignition failures or flame sensing issues common with non spec blowers. The Viessmann RG148