Click on the part# below to order these parts: R172008W - 3” Threaded cap, white R172009 - O-ring, cap R172052 Cap wrench R172080 - Flow indicator Select Part Above: R172032 - Tube fitting with compression nut R172034 - Saddle clamp R172060 - Control valve, 1/4” NPT x tube with compression nut R172061 - Combination check valve/elbow R172323 - 1/4” Corrosion resistant check valve Contact for a price quote, reference part# on message line: R172020 - Check valve Old Style R172023 - 3/8” O.D. x 1/4”. I.D. tubing, 8 ft. R172033 - Gasket R172037 - Spa chamber #302 only R172288 - 1-1/2” – 2” Corrosion resistant check valve R172061B - Standpipe adapter, bromine R18761 - 6” Standpipe 3/8” O.D. x 1/4” I.D. R18706 - Compression nut only R172064 - Parts bag, includes parts: 9, 10, 11, 18, 19 & 20