Unions & o-ringsUnion Gasket Flat 1.5" (2⁵⁄₁₆"OD)
Pump and heater unions seal with o-rings, which flatten and crack with age.
$11.99+ $6.99 shipping

$13.99 + $6.99 shipping
Pump and heater unions seal with o-rings, which flatten and crack with age.
Pump Union Split Nut - 1.5" FBT. Pump and heater unions seal with o-rings, which flatten and crack with age.
Pump and heater unions seal with o-rings, which flatten and crack with age. Measure the union size before ordering. A dab of silicone lube on new o-rings helps them seal.
Unions & o-ringsPump and heater unions seal with o-rings, which flatten and crack with age.
Unions & o-ringsPump and heater unions seal with o-rings, which flatten and crack with age.
Unions & o-ringsPump and heater unions seal with o-rings, which flatten and crack with age. Fits Waterway.
Unions & o-ringsPump and heater unions seal with o-rings, which flatten and crack with age.