Designed, Engineered & Manufactured in the U.S.A.

Heater Union Components

1 1/2" Heater Union Nuts

Part No. Description Case Quantity List (US $)
400-5461 1 1⁄2" Heater Split Nut - Long Assembly - with Screws 150 5.61
400-5491 1 1⁄2" Heater Split Nut - with Screws 250 3.45
415-4021 1 1⁄2" Heater Split Nut - without Screws 100 2.20

1 1/2" Heater Union Tailpieces

Part No. Description Case Quantity List (US $)
417-4090 1 1⁄2" Buttress Thread x 1 1⁄2" S Tailpiece 100 1.93
417-4050 1 1⁄2" Buttress Thread x 1 1⁄2" Spigot Tailpiece 75 1.93

1 1/2" Heater Union O-Ring Gaskets

Part No. Description Case Quantity List (US $)
805-0224 O-Ring - 1 1⁄2" Heater Tailpiece 100 0.64
711-4000 Gasket - 1 1⁄2" Heater Tailpiece 500 0.66
711-4050 O-Ring Gasket - 1 1⁄2" Heater Tailpiece 500 0.73

2" Heater Union Nuts

Part No. Description Case Quantity List (US $)
400-5161 2" Heater Split Nut - with Screws 150 3.13
415-5161 2" Heater Split Nut - without Screws 150 2.81

2" and 2 1/2" Heater Union Tailpieces

Part No. Description Case Quantity List (US $)
417-2090 2" Buttress Thread x 1 1⁄2" S Tailpiece 50 2.59
417-5050 2" Buttress Thread x 2" S Tailpiece 150 2.59
417-5060 2" Buttress Thread x 2" Spigot Tailpiece 45 2.59
417-5160 2" Buttress Thread x 2" Spigot / 1 1⁄2" S Tailpiece 160 5.46
417-5140 2" Buttress Thread x 2" MPTTailpiece 45 3.86
413-2160 Heater Flow Switch Tee - 2" Buttress Thread x 2" Spigot x 1⁄2" FPT 25 14.48
417-5180 2" Buttress Thread x 3⁄4" S / 1" Spigot 100 2.94
417-5980 2 1⁄2" Heater Buttress Tailpiece 25 5.35

2" and 2 1/2" Heater Union O-Rings and Gaskets

Part No. Description Case Quantity List (US $)
711-4020 1⁄4" Thick Gasket - 2" Heater Tailpiece 500 1.39
711-4010 Gasket - 2" Heater Tailpiece 500 1.42
805-0229 O-Ring - 2" Heater 100 0.75
711-4030 2" Heater Tailpiece Gasket - with O-Ring Rib 500 0.83
711-6020 2 1⁄2" Heater Union Gasket 500 0.64