Taco 400-4 1/8-Inch-NPT Float Air Hy-Vent<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Sturdy Brass Construction </span></li><li><span class="a-list-item"> Maximum Pressure 150 psi </span></li><li><span class="a-list-item"> Maximum Temperature 240F </span></li><li><span class="a-list-item"> Designed for use on hot water radiators， baseboards， convectors， radiant panels， and small unit heaters with a maximum working pressure of 150 psi </span></li><li><span class="a-list-item"> The Taco 400 HY-Vent can be opened (top is threaded on) and cleaned. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41yr-1apfKL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41bMU6jioZL.jpg" noproxy>