The WSD-20UH consists of 20" x 20" hot water coil
Maximum Working Pressure: 125 PSI
p/n 322 Fan p/n 323 Transition p/n 106 Heat Exchanger Coil
Brand NBK Motors Manufacturer NBK Motors Product Type Fan Motor Mpn 20370K NBK Motors part number 20370K
Hot Water BiMetal Thermometer 21/2" Dial, 13/4" Brass Stem, Range 0250 deg F dupp The WSD-20UH consists of 20"Hot Water Bi Metal Thermometer, 2 1 2" Dial, 1 3 4" Lead Free Brass Stem, Range 0 250 deg F 20 120 deg C, 2% Accuracy, Adjustable, 1 2" NPT Back Mount For temperature measuring on water and other media which is not corrosive to brass. Lead free brass stem, conforms to California AB 1953 standard and 2014 US Safe Drinking Water Act 2 1 2" dial size, 1 2"NPT center back mount 1 3 4" Stem length including thread Range: 0 250 deg F 20 120 deg C, dual