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17979 State Route 536
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3509 Bayliss MK7 Hydraulicheck Vent Opener (C3509)

Qty.

$116.00

Quantity pricing:
2 or more $99.00 each

Heavy-Duty Control

The Bayliss Hydraulicheck solar vent opener is the best choice for large roof vents and side-hinged wall vents. A built-in hydraulic damper prevents the vent from being wrenched open by high winds. The damper only allows gradual opening as called for by the solar-powered piston. Two return springs provide positive closing action. Dimensions and lifting capacity are identical to the MK7 standard unit.

About Bayliss Solar-Powered Vent Controls
These "top of the line" solar vent controls will open and close greenhouse vents automatically without electricity. Bayliss vent openers convert energy from the warmth of the sun into mechanical energy to open vents. The hotter it gets, the wider the vents are opened.

Materials:
Bayliss solar vent openers are made from the best corrosion resistant materials: brass, stainless steel and satin anodized aluminum. They are designed to give many years of service, are covered by a 2-year guarantee and can be repaired should the need arise.

Capacity:
The Standard Bayliss can exert a force of 14 lbs. at the point where it is attached to the vent. A threaded adjuster bolt can set the Bayliss to start opening the vent at temperatures between 55º and 75º F. Maximum opening of 12" is reached at approximately 20º F above the starting temperature.
Openers can be installed in a series on a long vent to replace worn out electric vent motors. The adjuster bolt can equalize the loading so the lifters work in unison.

Installation
Easy to install with screws: top arm to vent, bottom arm to greenhouse frame. Illustrated directions included. Standard openers are about 12" long and fit neatly up close to the vent.

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To dis-engage opener:
To disable the the Bayliss opener when needed due to heavy winds or winter weather, simply unscrew the Threaded (knurled) Adjuster, remove it completely and keep the adjuster in a safe place for later use. The vent must be tied securely. You may put a zip-tie around the opener just up from the mounting brackets to lock the vent shut. When ready to engage the vent opener, cut the ties, re-install the Threaded Adjuster. Check to be sure screws are firmly attaching vent opener to the vent frame each season prior to use.


See Also
3510 Bayliss MK7 Replacement Power Tube (C3510 55 75)