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

Heater Union Components

1 1/2" Heater Union Nuts

Part No.DescriptionCase QuantityList (US $)
400-54611 1⁄2" Heater Split Nut - Long Assembly - with Screws1505.61
400-54911 1⁄2" Heater Split Nut - with Screws2503.45
415-40211 1⁄2" Heater Split Nut - without Screws1002.20

1 1/2" Heater Union Tailpieces

Part No.DescriptionCase QuantityList (US $)
417-40901 1⁄2" Buttress Thread x 1 1⁄2" S Tailpiece1001.93
417-40501 1⁄2" Buttress Thread x 1 1⁄2" Spigot Tailpiece751.93

1 1/2" Heater Union O-Ring Gaskets

Part No.DescriptionCase QuantityList (US $)
805-0224O-Ring - 1 1⁄2" Heater Tailpiece1000.64
711-4000Gasket - 1 1⁄2" Heater Tailpiece5000.66
711-4050O-Ring Gasket - 1 1⁄2" Heater Tailpiece5000.73

2" Heater Union Nuts

Part No.DescriptionCase QuantityList (US $)
400-51612" Heater Split Nut - with Screws1503.13
415-51612" Heater Split Nut - without Screws1502.81

2" and 2 1/2" Heater Union Tailpieces

Part No.DescriptionCase QuantityList (US $)
417-20902" Buttress Thread x 1 1⁄2" S Tailpiece502.59
417-50502" Buttress Thread x 2" S Tailpiece1502.59
417-50602" Buttress Thread x 2" Spigot Tailpiece452.59
417-51602" Buttress Thread x 2" Spigot / 1 1⁄2" S Tailpiece1605.46
417-51402" Buttress Thread x 2" MPTTailpiece453.86
413-2160Heater Flow Switch Tee - 2" Buttress Thread x 2" Spigot x 1⁄2" FPT2514.48
417-51802" Buttress Thread x 3⁄4" S / 1" Spigot1002.94
417-59802 1⁄2" Heater Buttress Tailpiece255.35

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

Part No.DescriptionCase QuantityList (US $)
711-40201⁄4" Thick Gasket - 2" Heater Tailpiece5001.39
711-4010Gasket - 2" Heater Tailpiece5001.42
805-0229O-Ring - 2" Heater1000.75
711-40302" Heater Tailpiece Gasket - with O-Ring Rib5000.83
711-60202 1⁄2" Heater Union Gasket5000.64