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BRAND: Falsken

ID: #P520-002-01

Model : FTHT-20-REVFLO
Available in different styles

$250.50 USD
Hard water scale protection unit for tankless water heaters, tank water heaters, solar hot water systems, boilers, etc.Comes with mounting bracket, hardware, gauge (w/ G...
SKU:
FTHT-20-REVFLO
Vendor:
Falsken
Type:
Water Filtration System
Availability:
In-Stock
$250.50 USD

BRAND: Falsken

ID: #P520-001

Model : FTHT-10-REVFLO
Available in different styles

$238.60 USD
Hard water scale protection unit for tankless water heaters, tank water heaters, solar hot water systems, boilers, etc.Comes with mounting bracket, hardware, gauge (w/ G...
SKU:
FTHT-10-REVFLO-G
Vendor:
Falsken
Type:
Water Filtration System
Availability:
In-Stock
$238.60 USD

BRAND: Viessmann

ID: #P528-0002

Model : FAL-DS-KIT

$413.50 USD
EverClens Descale Kit Includes: (1) Bucket (2) Connection Hoses(1) Pump and (1) Solution (500ml) Warning for California buyers :
SKU:
FAL-DS-KIT
Vendor:
Viessmann
Type:
Descaler
Availability:
In-Stock
$413.50 USD

BRAND: Viessmann

ID: #P528-0001

Model : FAL-DS-BTL

$36.20 USD
Warning for California buyers :
SKU:
FAL-DS-BTL
Vendor:
Viessmann
Type:
Descaler
Availability:
In-Stock
$36.20 USD

BRAND: Falsken

ID: #P521-0001

Model : FAL-THT-SS-HFC50

$2,069.90 USD
For multiple heater applications Rated up to 50 gpm 2” MPT inlet and outlet Uses replacement cartridge: FAL-THT-SS-HFC50RFK Warning for California buyers: 
SKU:
FAL-THT-SS-HFC50
Vendor:
Falsken
Type:
Water Filtration System
Availability:
In-Stock
$2,069.90 USD

BRAND: Falsken

ID: #P521-0002

Model : FAL-THT-SS-HFC100

$2,276.10 USD
For multiple heater applications Rated up to 100 gpm 2” MPT inlet and outlet Uses replacement cartridge: FAL-THT-SS-HFC-100 Warning for California buyers: 
SKU:
FAL-THT-SS-HFC100
Vendor:
Falsken
Type:
Water Filtration System
Availability:
In-Stock
$2,276.10 USD

BRAND: Falsken

ID: #P523-0001

Model : FAL-HTILCN-12

$46.80 USD
Condensate Treater® – Includes Fittings to Adapt to a Variety of Tankless Water Heaters 12” long x 2½” round  ⅜” FPT inlet & outlet Flow 3.8...
SKU:
FAL-HTILCN-12
Vendor:
Falsken
Type:
Water Filtration System
Availability:
In-Stock
$46.80 USD

BRAND: Falsken

ID: #P521-0003

Model : FAL-THT-SS-HFC150

$2,554.30 USD
For multiple heater applications Rated up to 150 gpm 2” MPT inlet and outlet Uses replacement cartridge: FAL-THT-SS-HFC-150 Warning for California buyers: 
SKU:
FAL-THT-SS-HFC150
Vendor:
Falsken
Type:
Water Filtration System
Availability:
In-Stock
$2,554.30 USD

BRAND: Falsken

ID: #P520-004

Model : FTHT-BB-HFC50

$567.80 USD
Hard water scale protection unit for tankless water heaters, tank water heaters, solar hot water systems, boilers, etc.Comes with mounting bracket, hardware, gauge (w/ G...
SKU:
FTHT-BB-HFC50
Vendor:
Falsken
Type:
Water Filtration System
Availability:
In-Stock
$567.80 USD

BRAND: Falsken

ID: #P520-003

Model : FTHT-BB

$379.30 USD
Hard water scale protection unit for tankless water heaters, tank water heaters, solar hot water systems, boilers, etc.Comes with mounting bracket, hardware, gauge (w/ G...
SKU:
FTHT-BB
Vendor:
Falsken
Type:
Water Filtration System
Availability:
In-Stock
$379.30 USD

BRAND: Nu-Calgon

ID: #NC100-1S9-1063
$572.00 USD
Dual filter head that is parallel plumbed for two Nu-Plus E Series filters, either mix or match Head includes a shut off, flushing valve and...
SKU:
9272-22
Vendor:
Nu-Calgon
Type:
Filter Cartridge
Availability:
In-Stock
$572.00 USD

BRAND: Nu-Calgon

ID: #NC100-1S9-1064
$52.00 USD
SKU:
NP2BR
Vendor:
Nu-Calgon
Type:
Accessory
Availability:
In-Stock
$52.00 USD

BRAND: Nu-Calgon

ID: #NC100-1S9-1065
$329.00 USD
Complete system for the control of scale in ice, coffee and combination applications It dispenses a controlled amount of HydroBlend? compound which provides for a...
SKU:
9798-45
Vendor:
Nu-Calgon
Type:
Filter Cartridge
Availability:
In-Stock
$329.00 USD

BRAND: Nu-Calgon

ID: #NC100-1S9-1114

Available in 2-4 days

$785.00 USD
Triple filter head parallel plumbed for three Nu-Plus Series E filters With shut off, flushing valve and an outlet pressure gauge contained on a box...
SKU:
9272-23
Vendor:
Nu-Calgon
Type:
Filter Cartridge
Availability:
In-Stock
$785.00 USD

BRAND: Nu-Calgon

ID: #NC100-1S9-1155

Available in 2-4 days

Sold Out
SKU:
NB3BR
Vendor:
Nu-Calgon
Type:
Accessory
Availability:
Out-Stock
Sold Out

Shop Water Filtration for Tank and Tankless Water Heaters at SupplyShop

Find water filtration for tank and tankless water heaters for plumbing, water-treatment, repair, and maintenance work. Browse options such as Water Filtration System, Descaler. Compare brands such as Falsken, Viessmann when a direct replacement or approved brand matters.

How to choose water filtration for tank and tankless water heaters

  • Match the product page details to the equipment nameplate, project plan, or replacement part requirements.
  • Compare material, connection type, size, pressure or temperature rating, code requirements, and media compatibility where they apply.
  • Use product photos, manuals, model numbers, and SKU details to confirm the selection before checkout.

Before you order

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