The Marantec 88573 relay board kit is used on M Line garage door openers. We recommend using a Woods surge protector to protect your electronics.
Compatible with M4500e, M4500eI, M4700e, M4700eI and M4900e.
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The Marantec 88573 relay board kit is used on M Line garage door openers. We recommend using a Woods surge protector to protect your electronics.
Compatible with M4500e, M4500eI, M4700e, M4700eI and M4900e.