Pentair Water Pool and Spa

Pentair Mastertemp Heater Water System Max-E-Therm Dyna-Pro E Max-E-Pro Pumps 1/4" Npt Plug With Oring Drain Plug | U178-920P

SKU: U178-920P
Weight: 1.00 LBS
Availability: In Stock
Current Stock:
Shipping Cost: Calculated at Checkout

Product Information

Pentair | MasterTemp® Heater Water System | MAX-E-THERM® HEATER WATER SYSTEM | DYNA-PRO®/DYNA-PRO® E | Max-E-Pro Pumps | Dyna-Jet™ Spa/Water Features Pump | Dyna-Wave® Water Feature Pump | 1/4" NPT Plug with Oring Drain Plug | U178-920P


Part for Heater Models : MasterTemp® Heater Water System : MAX-E-THERM® HEATER WATER SYSTEM

Part for Pump Models : Dyna-Pro/Dyna-Pro E Pumps : Max-E-Pro Pumps : Dyna-Jet Replacement Parts : Dyna-Wave Replacement Parts




High Performance Eco-Friendly Heaters

MasterTemp® offers all the efficiency, convenience and reliability features you want in a pool heater, plus a lot more. As easy to use as your home heating system, plus, user-friendly indicator lights make system operation and monitoring a snap. The compact design and super quiet operation won't intrude on your poolside leisure time. Heavy-duty (HD) unit with cupro-nickel exchanger stands up to the harshest of applications, like low pH, high flow or heavy use.


  • Heats up fast so no long waits before enjoying your pool or spa
  • Best-in-class energy efficiency*
  • Manual gas shut-off when service is required
  • Eco-friendly MasterTemp® is certified for low NOx emission and outperforms industry standards
  • Rotating digital display allows for easy viewing
  • Tough, rustproof exterior handles the heat and weathers the elements



MasterTemp High Performance Heater

Green Brochure: Environmentally Responsible Products from Pentair

Dyna-Pro Pool/Spa Pumps

Max-E-Pro Pool/Spa Pumps

Dyna-Wave Water Feature Pool Pumps



MasterTemp Installation & User's Guide

MasterTemp & Max-E-Therm Bypass Access Plug Kit Instructions (ASME Models Only)

MasterTemp (Australia) Pool & Spa Heater Operation & Installation Manual

Heater New Installation Checklist

Dyna Pro Owner's Manual

Max-E-Pro Owner's Manual

50 HZ Max-Pro Centrifugal Pumps with Integral Trap

Pump Warnings and Safety Instructions for Pool and Spa Pumps (Non SVRS Pumps)

Spa Pump 

Dyna-Wave Centrifugal Pump with Integral Trap

Availability: In Stock
Current Stock:
Shipping Cost: Calculated at Checkout
Weight: 1.00 LBS
Width: 6.00
Height: 4.00
Depth: 1.00
GTIN: 788379850395
MPN: U178-920P
SKU: U178-920P
Warranty: This product has a 1 year warranty from the manufacturer

Customer Reviews