You are currently bidding on a NEW OEM replacement Rain Bird EXT 24VAC transformer (Part No. 635640 or 637567-01 ESPMIXFMR) which uses an input of 120VAC / 60Hz with an output of 24VAC @ 1000mA. The transformer is designed to be used in the following Rain Bird indoor sprinkler systems: ESP-M series controllers.

The item has been fully tested in a production environment and is guaranteed to work 100%. I take great pride in selling every Rain Bird product I sell on eBay and this is reflected in my high feedback score. :-)

Replacement transformer for indoor ESP4-M & all ESP-M series controllers.

UL rated, Plug In Class 2 Transformer

Input: 120VAC / 60 Hz

Output: 25.5VAC / 1000mA

NOTE: New transformer will be similar to your old transformer but has been redesigned. New AC power wires will be yellow and green is ground. If you have any questions how to connect a simple transformer, please reach out to me or watch the attached video in my ebay ad.

Rain Bird Indoor OEM Replacement Transformer

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NEW Rain Bird Transformer 635640 / 637567-01 ESPMIXFMR all ESP- M controllers.