Description
Spirax-Sarco FTI-125 Straight Float & Thermostatic Steam Trap
The Spirax-Sarco FTI-125 (SKU 66672) is a straight-pattern Float & Thermostatic (F&T) steam trap engineered for continuous, automatic condensate discharge in commercial and industrial steam systems. Built with a durable cast iron body and a 3/4″ NPT connection, this trap combines a float-operated main valve with an integral thermostatic air vent to efficiently handle both condensate and non-condensable gases — keeping your steam system operating at peak efficiency.
Key Features
- Float & Thermostatic (F&T) design for continuous condensate drainage and automatic air venting
- Cast iron body construction for robust, long-lasting performance in demanding steam applications
- 3/4″ NPT straight-pattern connections for straightforward in-line installation
- Integral thermostatic air vent purges non-condensable gases to maximize heat transfer efficiency
- Spirax-Sarco FTI-125 series — a trusted name in steam system management
- Suitable for use on heating coils, unit heaters, heat exchangers, and process equipment
Product Specifications
- SKU: 66672
- Model: FTI-125
- Brand: Spirax-Sarco
- Connection Size: 3/4″ NPT
- Body Material: Cast Iron
- Trap Type: Float & Thermostatic (F&T), Straight Pattern
Applications
- Commercial and industrial steam heating systems
- Unit heaters and heating coils
- Heat exchangers and process steam equipment
- Steam distribution and condensate return lines
Trust Spirax-Sarco’s proven engineering to protect your steam system investment and reduce energy waste. The FTI-125 delivers reliable, maintenance-friendly performance in a compact, straight-body design.







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