Attwood 66408C1 1-1/2" Deck Fill With "Water Imprint" Blue Color Coded Interior Hardware A second heat source such

A second heat source such as a marine engine or generator are based on electrical heating and indirect heating

or sold by Southwire

4 inches Max Spike Current 6

Large red knob is easy to operate with gloved hands

Attwood 66408C1 1-1/2" Deck Fill With "Water Imprint" Blue Color Coded Interior Hardware A second heat source suchDescription The Attwood 66408C1 is a 1 1 2" enhanced 316 stainless steel alloy deck fills. Deck Fills imprinted with "water" and is color coded blue. See below for more details. Replaces Attwood 66408 5 The 66408C1 has a highly polished finish. The flush cap is slotted for separate key and features an O ring which gives the cap a watertight seal. A stainless steel beaded chain is attached to the cap. The fill neck is 3 1 4 long, key sold separately.