2″ Stub Flange – F73

Introduction

As a retailer of hot tub and spa equipment, I’m pleased to offer this genuine 2″ stub flange (F73) designed for Thermalec electric heater systems. This essential plumbing component provides secure connection capability for 2″ piping systems, ensuring reliable water flow integration between the heater and spa circulation system.

Product Overview

This 2″ stub flange provides the mounting and connection interface for integrating Thermalec electric heaters into spa plumbing systems using 2″ pipe. The F73 stub flange design creates a secure, leak-free connection while accommodating proper heater installation and alignment in professional spa installations.

Key Features

2″ Pipe Compatibility

Engineered for 2″ piping systems commonly used in larger spa and pool installations, providing proper flow capacity for high-performance heating applications.

F73 Stub Flange Design

Features the F73 stub flange configuration specific to Thermalec heater installations, ensuring proper connection interface and alignment with heater housing.

Secure Connection Interface

Provides robust mounting capability that creates reliable, leak-free connections between heater and circulation plumbing systems.

Genuine Thermalec Component

Manufactured to original equipment specifications for Thermalec electric heater systems, ensuring proper fit and reliable plumbing integration.

Applications

Thermalec Heater Installation

Essential component for installing or replacing Thermalec electric heaters in spa systems using 2″ circulation plumbing.

Plumbing System Integration

Ideal for creating secure connections between heaters and 2″ spa circulation systems where proper flange mounting ensures leak-free operation.

Professional Heater Servicing

Perfect for spa service technicians installing or maintaining Thermalec heating systems where genuine flanges ensure proper plumbing connections.

Technical Specifications

Specification	Details
Size	2 inch
Model	F73 stub flange
Compatibility	Thermalec Electric Heater
Category	Heater component
Application	Plumbing connection
Function	Heater mounting interface
Quality	Genuine OEM specification

Why Choose Genuine Parts

Precise Fit Assurance

Genuine Thermalec stub flanges are manufactured to exact specifications ensuring proper alignment with heater housing and 2″ piping connections.

Proper Sealing Interface

Original equipment flanges provide correct sealing surface geometry and bolt pattern for reliable leak-free connections in spa plumbing systems.

Material Quality

Genuine flanges use materials specifically selected for spa water chemistry and pressure requirements, ensuring long-term reliability and corrosion resistance.

Installation & Benefits

This genuine 2″ stub flange (F73) provides essential plumbing connection capability for Thermalec electric heaters in 2″ circulation systems. Using genuine flanges ensures proper alignment, secure mounting, and leak-free operation, making it critical for professional heater installations and maintaining reliable water flow integration in spa heating systems.