Pentair
Pentair 3/4" Union
The Pentair 38404-4097S is an essential 3/4 inch union designed to ensure a secure plumbing connection for various high-efficiency pool and spa heaters. This genuine Pentair replacement part is crucial for maintaining the integrity of your heating system's connections. It is specifically compatible with popular models, including the Pentair MasterTemp, UltraTemp ETi Hybrid, ETi 400, ETi 250, and MasterTemp 125 heaters, as well as Sta-Rite Max-E-Therm units. Rely on this component for dependable performance in your pool or spa setup.
$69.95
Owner Satisfaction
4.3
/ 5
Category Rank
1710
/ 2959
#1710 in Pool & Spa Accessories
Price vs Category Average
-79%
Below average
Size
34
/ /"
Who it's for
- Quick Disconnect Feature
- Chemical and Corrosion Resistance
- Reliable Sealing Mechanism
Who should skip it
- Higher Cost than Generic
- Susceptibility to Cross-Threading
- Vulnerability to Thermal Stress
Key Specs
Size
3/4"
Manufacturer Part Number
38404-4097S
OEM or Aftermarket
OEM
Compatible Brands
Pentair, Sta-Rite
Compatible Models
MasterTemp Heaters, UltraTemp ETi Hybrid Heaters, Max-E-Therm Heaters
Features
- Genuine Pentair replacement component
- Ensures secure plumbing connections
- Designed for high-efficiency heaters
- Compatible with MasterTemp series
- Reliable sealing for heating systems
What customers say
Customers overwhelmingly value this Pentair union for its exceptional fit and seamless compatibility as a genuine OEM part. Reviewers consistently praise the ease of installation, noting it allows for quick, hassle-free maintenance and ensures leak-free operation in pool and spa systems. The reliability and durability of the material reinforce the expected high standards of the Pentair brand. While the premium price point is sometimes mentioned, users prioritize the guaranteed quality and system integrity this component provides over cost savings. The consensus strongly favors its functional excellence and dependable performance.
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