O-Ring Seal 2" for Spa Heater - 711-4030

The 2'' O-Ring (711-4030) is a replacement part for spa heater connections. It seals the heating circuit, prevents leaks, and keeps pressure up. Suitable for residential and commercial installations.

Features

• Outer diameter: 2-7/8''
• Inner diameter: 2-1/8''
• Width: 7/16''
• Thickness: 3/16''
• Chemical and thermal resistance
• Part no.: 711-4030

Compatibility

Fits 2-inch spa heater connections. Match the inner (2-1/8'') and outer (2-7/8'') diameters against your original O-ring.

When to replace it

Replace the O-ring if it's hardened, crushed, or cracked, or as soon as a leak appears at the heater union. Fit a fresh O-ring each time the union is taken apart.

Why buy from us

Destination Piscine Aide in Saint-Bruno-de-Montarville keeps common heater O-rings in stock.

FAQ

What connection size is it for? This O-ring fits 2-inch spa heater connections.

Does it handle heat? Yes, its material offers thermal and chemical resistance.