Tankless Installation Supplies

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Bosch AQ4

Bosch AQ4

Bosch Tankless Water Heater Horizontal Vent Kit for 1600H & 1600P

Our Price: $367.99
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Wiseman EC05

Wiseman EC05

Wiseman Everclens Tankless Water Heater Descaling Solution

Regular Price: $22.99
On Sale: $16.30
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Bosch AQ3ES

Bosch AQ3ES

Bosch Tankless Water Heater 3" Horizontal Vent Kit w/ Air Intake

Our Price: $229.99
as low as: $213.89

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Rheem RTG20211

Rheem RTG20211

Rheem Tankless Water Heater 3" x 5" Direct Vent Vertical Termination Kit for RTG-64DV, RTG-84DV, & RTG-95DV

Our Price: $145.99
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Rheem RTG20006DW

Rheem RTG20006DW

Rheem Digital Remote Control Thermostat, UMC-117

Our Price: $81.60
as low as: $75.89

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Rheem RTG20151D-1

Rheem RTG20151D-1

Rheem Tankless Water Heater 36" Straight Pipe (Vent Length)

Regular Price: $73.99
On Sale: $52.20
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Rheem RTG20216B

Rheem RTG20216B

Rheem Tankless Water Heater Liquid Propane Commercial Conversion Program Chip for RTG-84DVP

Our Price: $25.99
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Rheem RTG20210

Rheem RTG20210

Rheem Tankless Water Heater 3"/5" Horizontal Termination Vent Kit

Our Price: $104.99
as low as: $97.64

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Wiseman CLENS-KIT

Wiseman CLENS-KIT

Wiseman Everclens Kit Tankless Water Heater Descaling Kit

Our Price: $209.99
as low as: $195.29

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Bosch TSTAT2

Bosch TSTAT2

Bosch Tankless Water Heater AquaStar Wireless Remote Control for 2400 ES and 2700 ES (7709003213)

Our Price: $142.60
as low as: $132.62

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Rheem RTG20216C

Rheem RTG20216C

Rheem Tankless Water Heater Natural Gas Commercial Conversion Program Chip for RTG-84XN

Our Price: $25.99
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Rheem RTG20155

Rheem RTG20155

Rheem Tankless Water Heater 4" Horizontal Vent Kit

Our Price: $299.99
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Rheem RTG20006DU

Rheem RTG20006DU

Rheem Tankless Water Heater Digital Remote Control Thermostat

Our Price: $79.85
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Bosch 4TWHVK3SII

Bosch 4TWHVK3SII

Bosch Tankless Water Heater Horizontal Vent Kit for 940 ES & 830 ES Models

Our Price: $244.99
as low as: $227.84

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Rheem RTG20124

Rheem RTG20124

Rheem Tankless Water Heater Flushing Kit

Our Price: $169.99
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Rheem AP12993C

Rheem AP12993C

Rheem Tankless Water Heater Pressure Relief Valve

Our Price: $10.99
as low as: $10.22

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Bosch 7709003913

Bosch 7709003913

Bosch Tankless Water Heater Outdoor Kit for Therm Models: C 1210 ES, C 1050 ES, C 950 ES, 940 ES, 830 ES

Regular Price: $123.99
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Rheem RTG20037

Rheem RTG20037

Rheem Tankless Water Heater Cosmetic Pipe Cover

Our Price: $84.99
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Rheem RTG20059

Rheem RTG20059

Rheem Tankless Water Heater Direct Vent Sweet Termination Kit - 9" to 13" Wall Thickness

Regular Price: $286.99
On Sale: $204.99
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Rheem RTG20040

Rheem RTG20040

Rheem Tankless Water Heater EZ Link Cable

Our Price: $26.00
as low as: $24.18

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Rheem RTG20214D

Rheem RTG20214D

Rheem Tankless Water Heater Liquid Propane Commercial Conversion Program Chip for RTG-84XP

Our Price: $25.99
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Rheem RTG20185

Rheem RTG20185

Rheem Tankless Water Heater 4" Vertical Termination Vent Kit for RTG-74PV & GT-199PV

Our Price: $174.99
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Bosch 7709003574

Bosch 7709003574

Bosch Tankless Water Heater Indoor Freeze Protection Kit for 2400 ES

Our Price: $46.99
as low as: $43.70

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Noritz H2F-C

Noritz H2F-C

Noritz H2FLOW Anti-Scale Replacement Filter

Regular Price: $454.99
On Sale: $324.99
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Bosch PTOK

Bosch PTOK

Bosch Tankless Water Heater Outdoor Freeze Protection Kit (7709003913)

Regular Price: $143.99
On Sale: $116.30
as low as: $108.16

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Stiebel Eltron 581331

Stiebel Eltron 581331

Stiebel Eltron Tankless Water Heater House Pure Scale & Sediment Filter System

Our Price: $224.99
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Wiseman EFLG2.5LT

Wiseman EFLG2.5LT

Wiseman Everfree Drain Opener and Descaler, Large 2.5 Liter

Regular Price: $36.99
On Sale: $26.20
as low as: $24.37

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Noritz VK4-V1

Noritz VK4-V1

Noritz Stainless Steel 4" Diameter Venting Vertical Termination Kit, For NR71, NR98, NR111, NR199, NC250 & NH Series

Regular Price: $298.99
On Sale: $213.40
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Bosch 7738003210

Bosch 7738003210

Bosch Tankless Water Heater Horizontal Up and Out Vent Kit Concentric 80/125 PP for C 1050 ES & C 950 ES

Our Price: $121.99
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Noritz VP4-90ELBOW

Noritz VP4-90ELBOW

Noritz Stainless Steel 4" Diameter Venting 90 Degree Elbow, For NR71, NR98, NR111, NR199, NC250 & NH Series

Regular Price: $58.99
On Sale: $41.98
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Rheem RTG20236A

Rheem RTG20236A

Rheem Tankless Water Heater Natural Gas Commercial Conversion Program Chip for RTG-95DVN

Regular Price: $32.38
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as low as: $25.09

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Rheem RTG-20149C

Rheem RTG-20149C

Rheem Tankless Water Heater 3" Single 90 Degree Elbow for Wall Venting

Regular Price: $51.99
On Sale: $36.50
as low as: $33.95

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Wiseman EFSM1LT

Wiseman EFSM1LT

Wiseman Everfree Drain Opener and Descaler, Small 1 Liter

Our Price: $11.55
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Rheem RTG20006DN-1

Rheem RTG20006DN-1

Rheem Tankless Water Heater High Altitude Chip for RTG-74PVN - Natural Gas (6561-9840 Ft.)

Regular Price: $27.99
On Sale: $19.95
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Bosch 196016

Bosch 196016

Bosch Tankless Water Heater Concentric Vent Terminal 3/6" PVC

Our Price: $117.99
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Rheem RTG20006DL-1

Rheem RTG20006DL-1

Rheem Tankless Water Heater High Altitude Chip for RTG-74PVP - Liquid Propane (6561-9840 Ft.)

Our Price: $26.99
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Rheem RTG20060

Rheem RTG20060

Rheem Tankless Water Heater Direct Vent Sweet Termination Kit - 13" to 17" Wall Thickness

Regular Price: $300.99
On Sale: $214.99
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Noritz VC-4-1

Noritz VC-4-1

Noritz Stainless Steel 4" Diameter Venting Outdoor Vent Cap, For NR71, NR98, NR111, NR199, NC250 & NH Series

Regular Price: $95.99
On Sale: $67.95
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Noritz VP4-36STRAIGHT

Noritz VP4-36STRAIGHT

Noritz Stainless Steel 4" Diameter Venting Rigid Straight Vent Pipe, 36" Length - For NR71, NR98, NR111, NR199, NC250 & NH Series

Regular Price: $48.99
On Sale: $34.58
as low as: $32.16

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Stiebel Eltron 581332

Stiebel Eltron 581332

Stiebel Eltron Tankless Water Heater House Pure Scale & Sediment Replacement Filter

Our Price: $62.99
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Noritz VK4-H-8-1

Noritz VK4-H-8-1

Noritz Stainless Steel 4" Diameter Venting Horizontal Termination Kit, 4.1"-7.4" Wall Thickness - For NR71, NR98, NR111, NR199, NC250 & NH Series

Regular Price: $268.99
On Sale: $191.99
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Noritz VT4-SH

Noritz VT4-SH

Noritz Stainless Steel 4" Diameter Venting Horizontal Hood, For NR71, NR98, NR111, NR199, NC250 & NH Series

Regular Price: $97.99
On Sale: $69.79
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Bosch TLINK

Bosch TLINK

Bosch Tankless Water Heater Intelligent Link Cascading Kit (7709003962)

Our Price: $21.99
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Noritz VC-132

Noritz VC-132

Noritz Stainless Steel 5" Diameter Venting Outdoor Vent Cap, For NC380 Series Water Heaters

Regular Price: $160.99
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Rheem MIC-K-16

Rheem MIC-K-16

Rheem Tankless Water Heater 16 Ft. Communication Cable

Regular Price: $23.04
On Sale: $19.20
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Noritz VP4-45ELBOW

Noritz VP4-45ELBOW

Noritz Stainless Steel 4" Diameter Venting 45 Degree Elbow, For NR71, NR98, NR111, NR199, NC250 & NH Series

Regular Price: $43.99
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Rheem RTG2006EK

Rheem RTG2006EK

Rheem Tankless Water Heater High Altitude Chip for RTG-74XN - Natural Gas (3281-6560 Ft.)

Our Price: $21.99
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Rheem RTG20214B

Rheem RTG20214B

Rheem Tankless Water Heater Liquid Propane Commercial Conversion Program Chip for RTG-95DVP

Our Price: $25.99
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Noritz VP5-24STRAIGHT

Noritz VP5-24STRAIGHT

Noritz Stainless Steel 5" Diameter Venting Rigid Straight Vent Pipe

Regular Price: $47.99
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Rheem RTG20145

Rheem RTG20145

Rheem Tankless Water Heater 3" Metal Fab Appliance Adapter for RTG-53PV & RTG2-42PV

Regular Price: $85.99
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Rheem RTG20214A

Rheem RTG20214A

Rheem Tankless Water Heater Natural Gas Commercial Conversion Kit for RTG-95DV

Our Price: $28.80
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Noritz WT5

Noritz WT5

Noritz Stainless Steel 5" Diameter Venting Horizontal Wall Thimble, For NC380 Series

Regular Price: $79.99
On Sale: $56.75
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Rheem RTG20214C

Rheem RTG20214C

Rheem Tankless Water Heater Commercial Conversion Kit for RTG-95XN

Our Price: $25.99
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Noritz VP4-48STRAIGHT

Noritz VP4-48STRAIGHT

Noritz Stainless Steel 4" Diameter Venting Rigid Straight Vent Pipe, 48" Length - For NR71, NR98, NR111, NR199, NC250 & NH Series

Regular Price: $64.99
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Rheem RTG20216A

Rheem RTG20216A

Rheem Tankless Water Heater Commercial Conversion Kit for RTG-84DVN

Our Price: $25.99
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Noritz VP5-90ELBOW

Noritz VP5-90ELBOW

Noritz Stainless Steel 5" Diameter Venting 90 Degree Elbow, For NC380 Series

Regular Price: $62.99
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Rheem RTG20000AJ

Rheem RTG20000AJ

Rheem Tankless Water Heater High Altitude Chip for RTG42 - Liquid Propane (3281-6560 Ft.)

Regular Price: $13.99
On Sale: $9.50
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Noritz FS4

Noritz FS4

Noritz Stainless Steel 4" Diameter Venting Vertical Fire Stop, For NR71, NR98, NR111, NR199, NC250 & NH Series

Regular Price: $24.99
On Sale: $17.34
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Rheem MIC-K-32

Rheem MIC-K-32

Rheem Tankless Water Heater 32 Ft. Communication Cable

Regular Price: $32.99
On Sale: $31.96
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Noritz SV-CK-3

Noritz SV-CK-3

Noritz Direct Vent to Single Vent PVC Venting Conversion Kit, For NRC83, NRC09, NRC1111 & NCC1991 Series

Regular Price: $16.99
On Sale: $11.94
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Noritz VP4-ADAPT-1

Noritz VP4-ADAPT-1

Noritz Stainless Steel 4" Diameter Venting Appliance Adapter, For NR71, NR98, NR111, NR199, NC250 & NH Series

Regular Price: $30.99
On Sale: $22.01
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Noritz VP4-12STRAIGHT

Noritz VP4-12STRAIGHT

Noritz Stainless Steel 4" Diameter Venting Rigid Straight Vent Pipe, 12" Length - For NR71, NR98, NR111, NR199, NC250 & NH Series

Regular Price: $18.99
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Noritz DT5

Noritz DT5

Noritz Stainless Steel 5" Diameter Venting Horizontal Drain Tee, For NC380 Series Water Heaters

Regular Price: $26.99
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Noritz QC-2

Noritz QC-2

Noritz Tankless Water Heater Quick Connect Cord, For Models NRC98-DV and NR83-DVC

Regular Price: $25.99
On Sale: $17.94
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Rheem MIC-K-65

Rheem MIC-K-65

Rheem Tankless Water Heater 65 Ft. Communication Cable

Regular Price: $45.99
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Rheem RTG2006EJ

Rheem RTG2006EJ

Rheem Tankless Water Heater High Altitude Chip for RTG-74XP - Liquid Propane (6561-9840 Ft.)

Our Price: $21.99
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Rheem RTG2006EL

Rheem RTG2006EL

Rheem Tankless Water Heater High Altitude Chip for RTG-74XN - Natural Gas (6561-9840 Ft.)

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Noritz RJ4

Noritz RJ4

Noritz Stainless Steel 4" Diameter Venting Roof Jack, For NR71, NR98, NR111, NR199, NC250 & NH Series

Regular Price: $46.99
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Noritz SC4

Noritz SC4

Noritz Stainless Steel 4" Diameter Venting Support Clamp, 5 Pack - For NR71, NR98, NR111, NR199, NC250 & NH Series

Regular Price: $22.99
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Noritz SCR4

Noritz SCR4

Noritz Stainless Steel 4" Diameter Venting Storm Collar, For NR71, NR98, NR111, NR199, NC250 & NH Series

Regular Price: $34.99
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Noritz ARF5

Noritz ARF5

Noritz Stainless Steel 5" Diameter Venting Angled Roof Flashing, For NC380 Series Water Heaters

Regular Price: $52.99
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Noritz FRF5

Noritz FRF5

Noritz Stainless Steel 5" Diameter Venting Flat Roof Flashing, For NC380 Series Water Heaters

Regular Price: $53.99
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Noritz FS5

Noritz FS5

Noritz Stainless Steel 5" Diameter Venting Vertical Fire Stop, For NC380 Series Water Heaters

Regular Price: $24.99
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Noritz SC5

Noritz SC5

Noritz Tankless Water Heater Support Clamp, For 5" Venting - 5 Pack

Regular Price: $30.99
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Noritz VP5-45ELBOW

Noritz VP5-45ELBOW

Noritz Stainless Steel 5" Diameter Venting 45 Degree Elbow, For NC380 Series

Regular Price: $49.99
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How to Select

How to Shop for Tankless Installation Supplies

Tankless water heaters form the core of many modern heating systems. The efficiency and economic value they bring also means that many customers will choose these products. To ensure that the tankless system operates to the highest standards it is important to use the correct installation supplies. Westside Wholesale has installation supplies to meet the needs of these systems.

It is important to consider a number of factors when selecting accessories or consumables to use with tankless water heaters. All of Westside Wholesales products are selected from manufacturers who have expertise in the plumbing and water heating area. Our customers return time and time again because of the great value and quality they receive.

These factors should be considered when choosing installation supplies:

  • Quality. The tankless system may be the most valuable part of your heating plan. Choosing a quality product to accessorize or to allow servicing should always be important. The various venting options offered by Westside are all finished to high specifications and designed to last. To function at optimal levels the tankless system may require occasion descaling with one of the products offered here. All products are of a high quality and come with manufacturers warranties.
  • Dependability. Westside Wholesale only sells tankless installation supplies from manufacturers who meet rigorous testing requirements. All thermostats and propane conversion chips have already been subjected to many hours through testing to guarantee fault free performance in the field. Whether choosing wireless control for your system or a freeze protection kit, all products are built for reliability.
  • Efficiency. Many customers choose a tankless water heater because of the economic benefits it confers. To keep the system at an efficient level periodic descaling may be required. Our descalers and flushing kits maintain the systems performance and ensure efficient operation. To ensure optimal operating levels altitude chips are available to adjust your propane flow and tankless system to local conditions.

Quality, dependability and efficiency comes standard at Westside Wholesale. Our expert buying team has a long relationship with many manufacturers, both online and in-store. Only suppliers who can meet these standards can expect to see their products on the shelves at Westside Wholesale.

Whether you are looking for freeze protection kits, cosmetic pipe covers or venting options, Westside Wholesale has the tankless installation supplies to meet your needs. Manufacturers such as Bosch, Rheem, Wiseman and Noritz are world leaders in this field and will deliver goods that will last for years to come.