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Best Pool Heater Heat Pump Parts Deals Online in the US (10 deals found)

Last Updated - March 15, 2026 Sort By:

Best Choice

New
Lisnhlin ECS0275 Water Temperature Sensor Compatible with AquaCal Pool Heater Heat Pump, 10K RT Angle Water Temperature Sensor Rreplace STK0127
Compatible Model: This water temperature sensor is specifically designed to be compatible with AquaCal pool heater heat pumps, ensures seamless integration with your existing heating system, guaranteeing optimal performance and efficiency.

$17.99
New
SPX3200UG Union Gasket Seals Replacement for Hayward Tristar, Northstar, EcoStar Pool Pumps, Max-Flo II & SwimClear Cartridge Filters Pool Heater Parts (2-Pack)
【SPX3200UG Union Gasket】This union gasket seal can return your swimming pool’s pump or filter system back to peak performance and efficiency. Union gasket replacement compatible with Hayward SPX3200UG for Hayward Tristar, Northstar and EcoStar Pool Pumps and SwimClear Cartridge Filters.

$8.99
Best Value

New
SPX3200UG Union Gasket Seals Replacement for Hayward Tristar, Northstar, EcoStar Pool Pumps, Max-Flo II & SwimClear Cartridge Filters Pool Heater Parts (2-Pack)
【SPX3200UG Union Gasket】This union gasket seal can return your swimming pool’s pump or filter system back to peak performance and efficiency. Union gasket replacement compatible with Hayward SPX3200UG for Hayward Tristar, Northstar and EcoStar Pool Pumps and SwimClear Cartridge Filters.

$8.54 $8.99
New
SPX3200UNKIT Union Connector Replacement Kit for Hayward Tristar, Northstar, EcoStar Pumps, SwimClear Cartridge Filter & Universal H-Series Low Nox Heater, for Hayward Pool Heater Parts - 2 Pack
【Union Connector Replacement Kit】: 2 Union Connector Kits replacement for Hayward Part Number SPX3200UNKIT.Our replacement connector kits can restore your pool or spa system to peak performance and efficiency, easy to install and cost-effective.

$15.19
New
PROSOCOOL U178-920PZ Drain Plug with O-Ring Replacement for Pentair Pool Pumps Sta-Rite Mastertemp & Max-E-Therm Series Heater 460736 SR400NA, 1/4" MPT Pool Pump Plug
Extensive Compatibility: Pool heater drain plug replacement for part #U178-920PZ, this plug is compatible with a wide range of Pentair and Sta-Rite equipment, including MasterTemp and Max-E-Therm pool/spa heaters. Fits for 460736, SR400NA, SR200NA, SR333NA, SR400HD, and more.

$9.99
New
2" Spa Hot Tub Heater Split Nut Unions with Screws and Heater Gasket, Compatible with Balboa Gecko Hot Tub Heater Assemblies Replacement Parts, Replacement for 0121109020 Split Heater Nuts - 2 Pcs
Split nut 2.5 inch which includes split nut for hot tub split nut and Screws Spa Hot Tub Heater Split Nut Union Fitting for 2-inch heater assemblies.

$15.69 $16.88
New
KOLEOLL SPX3200UNKIT Union Connection Kit Compatible with Hayward HeatPro SwimClear HCF Northstar Tristar EcoStar Commercial Pool Spa Heater Pump Part
SP3200UNKIT, SPX3200UNKIT, 89-150-1171, HAY-101-3206 Pump Union Connection Kit For Spa Pump And Heater Combo. 2inx2.5in CPVC union connections - adapt to larger plumbing recommended for greater efficiencies.

$9.99
New
3pcs R0446000 Drain Plug & 3 O-Ring Replacement, Durable Pool Pump Pipe Gasket Pool Spa Heater Drain Parts Accessories for Zodiac Jandy Filter Pumps, Polaris
Package Content: You will receive 3 pieces of R0446000 pool pump drain plugs and 3 pieces of o-ring replacements, sufficient quantity to meet your daily use and replacement.

$6.49
New
Erchon ECS0275 Water Temperature Sensor Replacement for AquaCal Pool Heater Heat Pump STK0127
Compatibility: This pool water temperature sensor is compatible with AquaCal Pool Heater Heat Pump STK0127. Replace Part Number: ECS0275.

$17.59
New
Aquatonics 2” Half Union Adapter for Pentair Replaces PKG188 Mastertemp 400, 200, 250 and All Max-E-Therm Heaters - PLDE Filter - Pumps and More - Set of 2
Complete Kit: The Aquatonics 2 inch pool pump union replacement includes everything you need for a smooth and user-friendly replacing experience. You’ll receive the complete package with 2 x adapters, 2 x nuts, 2 x o-rings.

$21.99

10 Pool Heater Heat Pump Parts deals are available from: Amazon stores, starting from $6.49.
The biggest discount we found is 7% on 2" Spa Hot Tub Heater Split Nut Unions with Screws and Heater Gasket, Compatible with Balboa Gecko Hot Tub Heater Assemblies Replacement Parts, Replacement for 0121109020 Split Heater Nuts - 2 Pcs at Amazon.
The lowest price we found is $6.49 while the highest is $21.99.
Prices for the best Pool Heater Heat Pump Parts deals average at $13.24.
Last updated on March 15, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Pool Heater Heat Pump Parts.