Chain spreader for installation with 1" operator shaft and 1-1/4" door shaft
Designed to keep tension on the chain when used with a wall mount commercial operator. It helps avoid premature wear on the door shaft bearing and commercial operator output shaft bearing
Was previously MWRTA02A now has a new board making installation easier
Includes single channel receiver (MWR12A) and transmitter (MWTA12) with audible low battery alarm.
This feature that activates when the battery has only 25% of its life remaining indicating the battery should be replaced. The alarm sounds for 5 to 10 seconds at 1 to 2 minute intervals.
The receiver operates on either 12 or 24 volt AC/DC and provides N.O. or N.C. output.
Air pressure is lead via a hose or pipe to a diaphragm contact. This contact converts the positive or negative pressure into an electrical contact and pulse.
Applications: commercial sectional doors rolling doors and mass transit
Works on doors up to 60ft
Can be used with standard pneumatic hose and Miller Edge extrusion
Works with ANY Liftmaster Sears Chamberlain Access Master Master Mechanic Formula I True Value True Guard and Raynor Garage Door Opener Manufactured after 1998 using a amber / orange yellow or purple learn button.
Replaces existing control panel
Simple programming of new MyQ accessories and Security+ 2.0 remote controls and keyless entry products
Universal Keyless Entry works with garage doors made by LiftMaster Genie Stanley Overhead Door Wayne-Dalton Craftsman Chamberlain and Linear/Moor-o-Matic.
Single manufacturer/single frequency design – you pick the manufacturer and frequency for the garage door you want to open
Wireless – powered by one 9V battery (included)
Weatherproof slide-up protective cover
Open or close the garage door without using a remote