Weathermatic - 2'' Flow Sensor Tee - SLFSI-T20
Weathermatic - 2'' Flow Sensor Tee - SLFSI-T20 is backordered and will ship as soon as it is back in stock.
Why so “cheap” at CheapSprinklers? Low prices by design — same parts, no compromise
Our prices are lower because of how we run our business — not because the product is different — and we pass those efficiencies directly on to you.
You’re receiving the same brand-new, factory-sealed item sold by big-box, supply-house, or bloated online-warehouse sellers — delivered direct to you, for less.
- Bulk Purchasing: We buy in high volume to lower per-unit cost
- Low Overhead: No physical storefronts or unnecessary middlemen
- Price-First Model: Our business is built around keeping everyday prices as low as possible — so you can put the savings toward other projects or your business.
- Fast & Efficient Fulfillment: Streamlined US warehouse operations keep costs down and orders moving fast.
The Result: Genuine products with full manufacturer warranty — delivered fast, without paying inflated big-box, supply-house, or bloated online-warehouse markups for the same parts.
CheapSprinklers Product Guarantee How we guarantee authenticity and warranty coverage
All products sold by CheapSprinklers are brand new and factory sealed. This Weathermatic Sensor (SLFSI-T20) is sourced directly from Weathermatic and ships from us in new-in-box retail packaging.
We’ve been sourcing and supporting irrigation products for professionals and DIYers through both brick-and-mortar and online channels since 1981.
If there’s ever an issue, CheapSprinklers stands behind what we sell and will help coordinate any warranty claim or replacement.
- Genuine New Weathermatic Sensor: no knockoffs, no refurbished, no old stock
- Factory Sealed: shipped in original new-in-box retail packaging
- Current Production Inventory: no discontinued or clearance stock
- Complete Weathermatic Warranty: full manufacturer coverage begins when your order is delivered
The Result: Peace of mind. You’re installing top-quality equipment — and if there’s ever an issue with this Sensor, you’re fully supported by CheapSprinklers and Weathermatic.
SLFSI-T20 - 2'' Tee (Slip) Type Insert Flow Sensor Used with the SmartLink Flow Aircard
- Detect leaks, broken heads, lateral and main line breaks
- User defined low/high flow limits, by zone
- Automatic shutdown of both master and/or zone valve when flow limits are exceeded
Features
- Molded Mounting Tee for improved control of dimensions for more consistent measurement and improved performance at low flow.
- Threaded Retaining Nut instead of retaining pin makes it easier to service in a valve box, more moisture resistance for electronics resulting in longer life.
- Unique 4 bladed lightweight impeller measures lower flow rates. Detects flow as low as 20% of published minimum rate of other impeller sensors
- Smart electronics detection system contains a micro-processor for better signal filtering and conditioning. Detection circuit also contains superior over-voltage and overcurrent protection.
- Affordable enough to install on nearly all new and old systems.
Professional Materials
- Impeller “ HDPE (High Density Polyethylene)
- Shaft “ Tungsten Carbide
- O-ring ” Buna-N
- Saddle, Sensor Housing, Retaining Nut ” Type 1 PVC
Pressure Rating
150 PSI @ 90º F
Temperature Range
32º F to 140º F (0º to 60º C)
Output Signal
- Frequency Range: 0.3 Hz to 200 Hz
- Output Pulse: 5 ms +/-25%
Transducer Performance
- Quiescent current: 600 uA@8 VDC to 35 VDC max.
- Quiescent voltage: (VHigh)= Supply Voltage “ (600uA X Supply Impedance)
- On State: (VLow)= Max. 1.2 VDC@50mA current limit, (10Ω +0.7VDC)
Flow Range
- 0.25 to 12 FPS
- 2'' tee: 2.8 to 170 GPM
Electrical Cable
- 2 single conductor solid copper U.L. listed #18 AWG leads with direct burial insulation
- Lead length: 48 inches
- Wiring may be extended up to 2,000 feet with direct burial, twisted pair shielded cable
Manuals & Literature
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Box QuantityN/A
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Payment & Security
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