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Most often needed parts for a watermatic 300 fountain in yellow or green color...

PARTS / WM300:

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ma 250W / 120V Donut Immersion Heater - non coated (SKU: 16311-NC)16311-NC
Non-Coated - It's best to remove immersion heaters from fountains when chance of freezing is over.
mb 250W / 120V Donut Immersion Heater - coated (SKU: 16311-C)16311-C
This Heater is Covered With a Protective Teflon Coating - But it's still best to remove it from the fountain when chance of freezing weather is over.
na Deluxe Small Fountain Installation Kit (SKU: DSFIK)DSFIK
Installs Watermatics, Ecofounts, Omni 1,2,3, and CT1 with stainless bolts, ball valve, & insulation for lines
nb Small Fountain Installation Kit (SKU: SFIK)SFIK
Pipe Insulation Not Included - Order # DWMIK if you need insulation too.
oa Anchor Bolt Kit Plated Steel (SKU: ABKPS)ABKPS
Plated Steel - Less money, but can eventually rust off - Washers shown, but not included.
ob Anchor Bolt Kit Stainless Steel (SKU: ABKSS)ABKSS
These "Forever" Wedge Anchors are made of stainless steel - Washers shown, but not included.
oc Water Supply Winterize Kit (SKU: WSWK)WSWK
Winterizes Water Supply Lines (2-piece kit)
pa 3/4 x 1/2 Ball Valve Kit (SKU: 34x12BVK)34x12BVK
American Made By The Spears Company
qac 3" Expanding Drain Plug for Watermatics & Watermasters (SKU: 18470)18470
This is the latest design of drain plug that is used on the Watermatic and Watermaster fountains.
sca 3/4" Watermatic Float / Valve Assy (SKU: 34WMFVA)34WMFVA
3/4" 40-60 psi float valve assembly for the Watermatic 300, 1000, Watermaster 54, 54D, 90, 96, 600, 1200, Cattlemaster 480, 840, 1440, 10T and the Thriftyking CT 2 & 4.

scb 3/4" Male White Valve (5-40 psi) (SKU: 16697)16697
3/4" 40-60 psi white float valve which can be used on any fountain that uses the 3/4" male valve. 
scc 3/4" Male Red Valve (40-60 psi) (SKU: 11101)11101
3/4" 40-60 psi red float valve which can be used on any fountain that uses the 3/4" male valve. 
scd 3/4" Male Red Valve w/ 1/8" CF Side Tap (40-60 psi) (SKU: 11142)11142
3/4" 40-60 psi red float valve with 1/8" constant flow side tap - it could be used on any fountain that uses the 3/4" male valve.
sce 1/8"mpt x 1/4"comp Brass Angle Needle Pitcock Valve (SKU: 11793)11793
This is the brass 1/8"mpt x 1/4"comp angle needle pitcock valve used with the 11142 side tapped float valve to make the fountain able to heat itself by the "constant flow" method. 
scf 3/4" Male Green Valve (60-80 psi) (SKU: 15377)15377
3/4" 60-80 psi greem float valve which can be used on any fountain that uses the 3/4" male valve. 
scg 3/4" Male Blue Valve (80-100 psi) (SKU: 18197)18197
-Discontinued-
3/4" 80-100 psi blue float valve which can be used on any fountain that uses the 3/4" male valve. Order the new 18832 high pressure valve & float assembly instead.
sda Inlet Pkg For 3/4" Male White Valve (SKU: 18626)18626
3/4" Inlet Package for the White Male Valve. This piece could be used on the valve found in any of the 3/4" male valved fountians. 
sdb Inlet Pkg For 3/4" Male Red Valve (SKU: 18606)18606
3/4" Inlet Package for the Red Male Valve. This piece could be used on the valve found in any of the 3/4" male valved fountians. 
sdc Inlet Pkg For 3/4" Male Green Valve (SKU: 18622)18622
3/4" Inlet Package for the Green Male Valve. This piece could be used on the valve found in any of the 3/4" male valved fountians. 
sfd 3/4" Valve Plunger Pkg with Button, Nose-piece & Gasket (SKU: 15259)15259
3/4" Valve Plunger Pkg with Button, Nose-piece & Gasket. This is the only way you can purchase the 3/4" valve plunger with rubber button. 
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