Product Overview

The Raypak 800013B Header Flange Gasket Kit, 1-1/2" is a genuine Raypak replacement gasket kit for the 1-1/2" inlet/outlet header flange on compatible Raypak 53A, 53B, 055A and 055B Spa-Pak pool and spa heaters. The flange gaskets seal the connection between the header flange and the plumbing, helping prevent water leaks at the heater's water connections.

Ideal For

Repairing water leaks at the heater inlet/outlet flange

Replacing gaskets whenever the header flanges are removed for service

Raypak 53A, 53B, 055A and 055B Spa-Pak heater maintenance

Pool heater technicians stocking common Raypak service parts

Key Features

Genuine Raypak OEM part: replacement under part number 800013B.

Sized for 1-1/2" header flanges: fits the 1-1/2" flange connections on compatible heaters.

Two gaskets per pack: enough for both the inlet and outlet flange.

Specifications

Warranty & Compatibility

Compatibility Notes

This kit is listed for Raypak 53A, 53B, 055A and 055B Spa-Pak heaters with 1-1/2" header flanges. Raypak uses different flange gaskets for 2" connections and for other heater families, so confirm your heater model, flange size and parts diagram before ordering.

Installation Notes

Turn off power and gas to the heater, shut off the pump, and close isolation valves before removing the flange. Clean both sealing surfaces, install the new gasket, and tighten the flange bolts evenly. Restore water flow and check for leaks before returning the heater to service. Installation by a qualified pool heater technician is recommended.

Customer-Facing Q&A

Q: What is the Raypak part number for this gasket kit?
A: The part number is 800013B.

Q: What is the UPC?
A: The UPC is 840891004530.

Q: How many gaskets are included?
A: The kit includes 2 gaskets.

Q: Which heaters does it fit?
A: It is listed for Raypak 53A, 53B, 055A and 055B Spa-Pak heaters with 1-1/2" header flanges. Confirm your model before ordering.

Q: Should I replace the gaskets when I remove the flange?
A: Yes. Reusing old, compressed gaskets is a common cause of leaks, so fitting new gaskets during any flange service is recommended.