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The provided protective cap needs to be removed in order to install the sprinkler with the proper wrench. The protective cap must be replaced on the sprinkler until the time the cover plate is to be installed. The "push on - screw off" designed cover plate is easily installed and with a nominal 1" inch of adjustment makes it easier to get a proper fit at the ceiling.
Operation of the sprinkler occurs when heat build up causes the solder holding the cover plate to the support shell to melt allowing the cover plate to fall clear. Continued heat build up causes the 3mm glass bulb to burst allowing the deflector to drop down and distribute water in an approved pattern to extinguish or control the fire.
- Chrome plated
- Frame: Bronze
- Deflector: Brass
- Screw: Brass
- Bulb Seat: Copper
- Spring: Nickel alloy
- Seal: Teflon
- Bulb: glass with alcohol based solution, 3mm size
- One year warranty
- Nominal K Factor: 5.6K
This item is cost-prohibitive to ship on its own but is available to ship with orders over $200.
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