Rain Bird FS300P Flow Sensor
The Rain Bird FS300P (MFG# M80104) is an in-line impeller flow sensor in a Schedule 80 PVC slip tee.
Key Specifications & Features
- SKU: FS300P
- MFG#: M80104
- Brand: Rain Bird
- Size / body: 3″ PVC
- Flow range: 20-300 GPM
- Construction: Schedule 80 PVC slip tee
- Impeller: Six-blade, removable insert
- Leads: 18 AWG UF, 48 in, red/black
- Dimensions: 6.50″ W × 6.835″ H × 4.23″ D
Compatible Controllers / Systems
Works with Rain Bird ESP-LXMEF, ESP-LXD, IQ, ESP-ME3, and ESP-2WIRE when the controller is set to the Rain Bird FS300P K-factor and offset.
Frequently Asked Questions
Is Rain Bird FS300P the same as M80104?
Yes. M80104 is the Rain Bird manufacturing number for FS300P.
What size is FS300P?
3″ PVC. Flow range is 20-300 GPM.
Will FS300P work with ESP-ME3?
Yes. Rain Bird lists the FS series on the ESP-ME3 and ESP-2WIRE compatible flow-sensor chart.
Is this a duplicate of another FS listing we already sell?
No. FS300P is a different pipe size than FS100P (M80108), FS150P (M80102), and FS400P (M80107).










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