Rain Bird FS100B 1″ Brass Tee Flow Sensor (M80101)

Rain Bird FS100B Flow Sensor

The Rain Bird FS100B (MFG# M80101) is an in-line impeller flow sensor in a Cast bronze tee, FNPT.

Key Specifications & Features

• SKU: FS100B
• MFG#: M80101
• Brand: Rain Bird
• Size / body: 1″ Brass NPT
• Flow range: 2-40 GPM
• Construction: Cast bronze tee, FNPT
• Impeller: Six-blade, removable insert
• Leads: 18 AWG UF, 48 in, red/black
• Dimensions: 5.45″ × 4.94″ × 2.21″

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 FS100B K-factor and offset.

Frequently Asked Questions

Is Rain Bird FS100B the same as M80101?
Yes. M80101 is the Rain Bird manufacturing number for FS100B.

What size is FS100B?
1″ Brass NPT. Flow range is 2-40 GPM.

Will FS100B 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. FS100B is a different pipe size than FS100P (M80108), FS150P (M80102), and FS400P (M80107).