Home » PENTAIR HD ASME HEATER 250K BTU-NATURAL - 461020
PENTAIR WATER POOL AND SPA

PENTAIR HD ASME HEATER 250K BTU-NATURAL - 461020

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SKU: 461020
$3,714.84

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MASTERTEMP HEATER REPLACEMENT PARTS

Item Part No Description
Water System Parts
1 77707-0232 Cupro Nickel Tube Sheet Coil Assembly Kit MasterTemp Heater Water System
1 474058 Tube Sheet Coil Assembly Kit Cupro Nickel, for MT 175NA-200LP
1 460747 Tube Sheet Coil Assembly Kit for 250NA, 250LP MasterTemp Heater Water System
1 474059 Tube Sheet Coil Assembly Kit for 250NA, 250LP MasterTemp Heater
1 77707-0233 Cupro Nickel Tube Sheet Coil Assembly Kit MasterTemp Heater Water System
1 474060 Tube Sheet Coil Assembly Kit, Cupro Nickel for 300NA, 300LP MasterTemp Heater
1 77707-0234 Cupro Nickel Tube Sheet Coil Assembly Kit MasterTemp Heater Water System
1 474061 Tube Sheet Coil Assembly Kit, Cupro Nickel for 400NA, 400LP MasterTemp Heater
1 77707-0244 Cupro Nickel Tube Sheet Coil Assembly Kit MT HD Series Heater Water System
1 474065 Cupro Nickel Tube Sheet Coil Assembly Kit for MT 400HDNA, 400HD-LP
1 473710 Tube Sheet Coil Assembly Kit for MasterTemp Heater Water System
1 474063 Tube Sheet Coil Assembly Kit for 250HDNA, 250HD-LP MasterTemp Heater
2 77707-0014 Manifold Kit for MasterTemp Heater Water System
2 460748 Water System Manifold Replacement Kit Natural Gas and Propane Pool/Spa Heater
2 77707-0015 Manifold Kit for MasterTemp Heater Water System
2 77707-0016 Manifold Kit for MasterTemp Heater Water System
3 77707-0117 Coil/Tubesheet Sealing O-Ring Kit for MasterTemp Heater Water System
3 O-398-9 DRAIN PLUG/ DIVERTER/ TUBE SHEET SEALING ORING
3 O-398-9 HAYWARD SPX0605Z2 ORING
3 272511 1.5" HiFlow Diverter Shaft O-Ring
3 SPX0605Z2 O-Ring F/Drain Plug
3 SPX0605Z2V Viton Drain Plug O-Ring
3 CX250Z14A 1/2" Drain Plug Kit with O-Ring
3 460749 Coil/Tubesheet Sealing O-Ring Kit for MasterTemp Heater Burner System
3 77707-0118 Coil/Tubesheet Sealing O-Ring Kit for MasterTemp Heater Water System
3 77707-0119 Coil/Tubesheet Sealing O-Ring Kit for MasterTemp Heater Water System
8 77707-0001 Manifold By-Pass Valve Kit for MasterTemp Heater Burner System
9 42001-0060S Water Pressure Switch for MasterTemp Heater Water System
14 77707-0017 Connector Tube Kit for Max-E-Therm, MasterTemp Heater Water System
15 77707-0010 Thermal Regulator Kit for Max-E-Therm and MasterTemp Heater Water System
16 38000-0007S Thermal Regulator with Clip for Max-E-Therm Heater Water System
18 35505-1313 2" 326 Thermal Regulator Cap O-Ring
18 O-122-9 CAP/ VALVE/ PISTON ORING
18 O-122-9-10 10/PK ORING
18 U9-371 Cristal-Flo® Drain Cap O-Ring
18 V22-116 25/BG 2" PISTON ORING SET
18 90-423-5326 90-423-5326 47032602R ORING F/PLUG 1-5/8"x2"x3/16"
18 U9-152 U9-152 ORING
20 U178-920P Drain Plug Assembly with O-Ring .25" MPT
20 O-39-9 UNIVERSAL STEM/ DRAIN/ SHAFT ORING
20 805-0112 O-RING, #112 - PUMP DRAIN PLUG
20 O-39-9-10 SPX0605Z2 51003100 ORING NITRILE 10PK
20 P40 Shaft O-Ring
20 25010-0200 PLD and PTM Air Release Valve Assembly
20 805-0112 O-RING, #112 - PUMP DRAIN PLUG
21 U78-60ZPS 3/4'' Zinc Plated Square Head Pipe Plug for Mastertemp Pool and Spa Heater
22 473715Z Valve for Max-E-Therm and MasterTemp Heater Water System
22 1041810 3/4" Safety Relief Valve
23 PKG 188 S Union Kit 2"
Not Shown 77707-0120 Manifold O-Ring Kit for Max-E-Therm and MasterTemp Heater Burner System
Not Shown 472648Z By-Pass Access Plug for ASME MasterTemp Heater Water System
Not Shown 460940 460940 400K ASME HEAT EXCHANGER KIT
Not Shown 474096 Heat Exchanger Kit and Pressure Vessel Heaters
Not Shown 460941 4 Tube Pressure Vessel Kit (ASME)2
Not Shown 474097 Heat Exchanger Kit for MasterTemp and Max-E-Therm 250
Not Shown 460923 By-Pass Valve Kit for ASME MasterTemp Heater Water System
Not Shown 460924 Thermal Regulator Kit for Max-E-Therm and MasterTemp Heater Water System
Burner System
1 42001-0051S Combination Gas Control Valve Kit for MT Heater Burner System
2 38404-4097S 3/4'' Union Burner System for Mastertemp Heater
5 77707-0251 Air Blower Kit for 200 Natural Gas Max-E-Therm Burner System
5 460743 Air Blower Kit for 200K Natural Gas MasterTemp Burner System
5 460757 Air Blower Kit for 300K Natural Gas MasterTemp Burner System
5 77707-0253 Air Blower Kit for 400 Natural Gas Max-E-Therm Burner System
5 77707-0254 Air Blower Kit for 200 Propane Max-E-Therm Burner System
5 460744 Air Blower Kit for 250K LP Propane MasterTemp Burner System
5 460758 Air Blower Kit for 300K LP Propane MasterTemp Burner System
5 77707-0256 Air Blower Kit for 400 Propane Max-E-Therm Burner System
7 460798 Air Orifice Kit for MasterTemp 175 Heater Burner System
7 77707-0111 Air Orifice Kit for 200 Max-E-Therm Heater
7 460745 Air Orifice Kit for 250 BTU Heater
7 460759 Air Orifice Kit for 300 BTU Heater
7 77707-0113 Air Orifice Kit for 400 Heater
15 42001-0200S 42001-0200S COMBUSTION CHAMBER ASSY
15 474095 Metal 1-Piece Chamber/Combustion Chamber Assembly
20 474094 Metal 1-Piece Elbow/Combustion Chamber Cover Assembly
21 42002-0005S Metal Vent Cover for Max-E-Therm and MasterTemp Heater Burner System
23 42002-0039Z Side Service Panel for MasterTemp Heater
24 42002-0033Z Manifold Side Panel for MasterTemp Heater
25 42002-0031 Heater Bottom
26 42002-0032Z Flue Stack Side Panel for MasterTemp Heater
27 42002-0041 J Box Cover
Electrical System
1 42002-0035Z Heater Display Cover for MasterTemp, MasterTemp 125 Heater
2 42001-0030S Igniter Bracket for MasterTemp 125, Sta-Rite Max-E-Therm Heater
3 77707-0054 Igniter with Gasket Kit for Max-E-Therm and MasterTemp Heater Electrical System
4 42001-0066S Igniter Gasket for Sta-Rite Max-E-Therm and MasterTemp Heater Electrical System
5 42002-0025S 140 Degree Taped Automatic Gas Shut-Off Switch for Heater Electrical System
5 42002-0025T Automatic Gas Shut-Off Switch
6 42001-0063S High Limit Switch for Max-E-Therm and MasterTemp Heater Electrical System
7 42001-0053S Thermistor for Max-E-Therm and MasterTemp Heater Electrical System
8 42001-0056S Terminal Board for Max-E-Therm and MasterTemp Heater Electrical System
9 32850-0099 Fireman’s Switch Fuse for Max-E-Therm and MasterTemp Heater Electrical System
10 42001-0052S Ignition Control Module for Max-E-Therm and MasterTemp Heater Electrical System
11 42001-0107S Dual Voltage Transformer Kit for Max-E-Therm Heater Electrical System 115/230 V
12 42001-0061S Air Flow Switch for Max-E-Therm and MasterTemp Heater Electrical System
13 42002-0007S Control Board Kit for NA, LP Series Max-E-Therm, MT Heater Electrical System
14 42002-0034Z Heater Top for MasterTemp Heater Burner and Electrical System
15 472610Z Membrane Pad for NA, LP Series MasterTemp Heater Electrical System
16 42002-0024S Stack Flue Sensor for Max-E-Therm and MasterTemp Heater Electrical System

 

High BTU Output: Delivers powerful heating with a capacity of 250,000 BTU, ideal for large pools and spas.
Heavy-Duty Construction: Built with cupro-nickel tubing, making it highly resistant to harsh conditions such as low pH, high flow rates, and heavy usage.
ASME Certified: Meets ASME standards for quality and safety, ensuring reliable performance in commercial and demanding environments.
Low NOx Emissions: Designed with Low NOx technology to reduce nitrogen oxide emissions, contributing to better air quality and environmental compliance.
Digital Control: Features a user-friendly digital control system for precise temperature management and easy operation.
Compact and Quiet: Engineered with a compact design and quiet operation, minimizing disruption to poolside leisure.
Versatile Application: Suitable for both indoor and outdoor installations, and for use with pools and spas.