I have an esp13 rainbird controller is this rain senor conpatible?

I use my WR2 Rainbird rain and freeze sensor on a Rainbird SST-600i controller and it works great - have saved a lot on the water bill this year with all the rainy days, but have also kept the yard watered on the dry hot days without having to touch the controllers. As for using the WR2 Rainbird rain and freeze sensor on the ESP 13 controller, I do not have first hand experience with this, but in reviewing the manuals for the ESP 13 controller and WR2 Rainbird rain and freeze sensor, the manuals indicate it is recommended for those controllers and the manuals provide connection instructions. The manuals can be reviewed at the following websites: http://www.rainbird.com/documents/turf/ts_ESPModular.pdfhttp://www.rainbird.com/documents/turf/man_ESP-LXME_InstallationTroubleshootingGuide.pdfhttp://www.rainbird.com/documents/turf/man_WR2.pdf

Are there replament discs since wr2 disk assembly - #637810s is no longer available even though the manufacture still sells this rain sensor (??!!)

Go to ebay and search Hygroscopic Disks and you'll find plenty of just the Discs. You can get a pack of 5-10 for $5 and they'll make your sensor work as new.

Mine is sst-600in, does it work with this model? i can directly connect the sensor to it or i need to buy a transformer?

I spliced the sensor power wires into the wires running from the transformer powering the controller. Works fine, no additional transformer needed.

What is the difference between the 553000 & 553100?

The A553000 was the old version WR2RC which was a rain sensor only. The A553100 is the new WR2RFC rain & freeze sensor. Rain Bird only sells the newer A553100 now.

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Description

💧 Stay ahead of the storm—smart irrigation that saves water and your lawn!

SMART WATER MANAGEMENT - Customize rainfall thresholds to maintain a lush landscape while cutting water waste by up to 35%.
RELIABLE SIGNAL STRENGTH - Dual antennas and real-time signal display ensure uninterrupted communication, even through obstacles.
DURABLE WEATHER RESISTANT - Universal mounting bracket fits gutters, fences, or walls, built to withstand diverse weather conditions.
INTUITIVE PROGRAMMING INTERFACE - Easy-to-read LCD screen simplifies settings, battery life monitoring, and rain/temperature adjustments.
EFFORTLESS ONE PERSON INSTALLATION - Quick setup with a single-seater crew—get your system running in no time.

The Hyper Rain Bird WR2-RFC is a wireless rain and freeze sensor designed for professional irrigation systems. Featuring dual antennas for robust signal transmission, it updates weather data every 45 seconds and allows customizable rainfall set points to save up to 35% water. Its user-friendly LCD interface and universal mounting bracket enable quick, one-person installation and easy programming, making it an essential tool for efficient water management and landscape care.

Specifications

Manufacturer	Hyper
Part number	WR2
Item Weight	295 g
Product Dimensions	17.27 x 7.87 x 25.4 cm; 294.84 g
Is Discontinued By Manufacturer	No
Size	Rain/Freeze Sensor
Color	white
Style	Temperature sensor
Material	Plastic
Measurement Accuracy	1/8" to 1/2"
Mounting Type	Surface Mount
Specific Uses For Product	Water saving and maintaining a healthy grass under a variety of weather conditions
Included Components	Rainbird - WR2-RFC - Wireless Rain/Freezing Sensor Complete Kit
Batteries Included	No
Batteries Required?	No
Item Dimensions LxWxH	17.3 x 7.9 x 25.4 cm

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