Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

RefCo Supply USA

Products

Products

RefCo Supply USA

Navien - GPWC310001AC001 Peak Flow-A Anti-Scale System Advanced

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$319.00

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Saving this product will notify you when it’s back in stock

Description

For Use With Navien Tankless Water Heaters and Combi-boilers, 150 psi, 1 in FNPT, 10 gpm

Delivery & Returns

RefCo Supply USA

4.8 (22)

You might also like

RefCo Supply USA

Navien - GXXX002212 Condensate Neutralizer

SupplyStop.com

NPE-210A2 - Condensing Tankless Water Heater - 180,000 BTU

SupplyStop.com

521619AC - 1 inch Sweat MIXCAL 3-way Thermostatic Mixing Valve with Temperature Gauge & Chec

RefCo Supply USA

NAVIEN - 20018079A O-RING

SupplyStop.com

30018661A - Full Parts Kit - NPE and NHB Series

SupplyStop.com

30008571A - Flow Sensor for NPE Series

(1)

SupplyStop.com

NHW700-199AE - Non-Condensing Tankless Water Heater - Outdoor, 199,000 BTU

SupplyStop.com

30008333D - Navilink KDC-330F Front Panel - NPE Display & Wi-Fi Upgrade Interface

SupplyStop.com

132772A - QuickSetter Balancing Valve w/ Flow Meter 5 - 19 GPM - 1-1/4" FNPT

18% off

RefCo Supply USA

Randell - RF SOL9801 Solenoid Valve w 120v Coil

Rheem RTEX-13 13kW tankless electric water heater

Big Frog Supply

Rheem - RTEX-13 - 13kw Tankless Electric Water Heater

Navien NaviLink WiFi Control for a smart home connection for Navien water heaters and boilers

BPH Sales

Navien NaviLink WiFi Control System

United Plumbing & Fire Supply

Noritz NRC711-DV-NG 157,000 BTU Indoor Condensing Tankless Water Heater (Natural Gas)

SupplyStop.com

549596A - SEP 4 Hydraulic, Air, Dirt and Magnetic Separator - 1" Sweat

RefCo Supply USA

58-1167 - Scotsman Purge Valve

RefCo Supply USA

NAVIEN - NVKit Tankless Water Heater Plumb Kit

SupplyStop.com

30014367B - Common Vent Collar Kit Backflow Damper

SupplyStop.com

523178A - 1-1/4" MixCal + High Flow Thermostatic Mixing Valve (sweat)

RefCo Supply USA

Navien 30000466B Circulation Pump NPE-240A

(1)

Navien Boilers & Water Heaters 30008360A Check Valve 6L x 6-2/7W x 4H Inch Plastic for NPE Model | Blackhawk Supply

49% off

Blackhawk Supply

30008360A | Check Valve 6L x 6-2/7W x 4H Inch Plastic for NPE Model | Navien Boilers & Water Heaters

SupplyStop.com

30013686A - Siphon and Hose Assembly - Condensate Drain for NPE Series

Oasis H2O

Navien NPE-A2 Series Condensing Tankless Water Heaters w/ Recirculating Pump and Isolation Valves

SupplyStop.com

GXXX001892 - NaviVent 3" x 5" Concentric Sidewall Termination Kit - 21"

SupplyStop.com

Miljoco W35B Brass Thermowell for Industrial Thermometer, 3-1/2" Brass Stem, 70-400 F Range, 3/4" NPT Connection

RefCo Supply USA

Packard - A11601 Bracket

Rinnai - Rinnai 21" Horizontal Termination Kit for Condensing Units 223177PP - - Water Heater Venting - Big Frog Supply

Big Frog Supply

Rinnai - 223177PP - 21" Horizontal Termination Kit for Condensing Units

Navien Boilers & Water Heaters PFMZ-06P-001 Pump Controller SmartZone+ NHB NCB Boiler 6 Zone Switching White | Midwest Supply Us

48% off

Midwest Supply

PFMZ-06P-001 | Pump Controller SmartZone+ NHB NCB Boiler 6 Zone Switching White | Navien Boilers & Water Heaters

United Plumbing & Fire Supply

Noritz NR662-OD-NG 140,000 BTU Outdoor Residential Tankless Water Heater (Natural Gas)

SupplyStop.com

MF200-1430 - Wall Bracket Assembly for MF200

RefCo Supply USA

3/4" PVC PTRAP

RefCo Supply USA

Navien - 30022717B - Tankless S2 Series Controller

SupplyStop.com

NCB-190/060H - Condensing Combi-Boiler - 160,000 BTU DHW / 60,000 BTU HTG

SupplyStop.com

502720A - Automatic Air Vent 1/4" NPT Male with Check Valve

29% off

RefCo Supply USA

White Rodgers - 36J22-214 Gas Valve

SupplyStop.com

NPE-210S2 - Condensing Tankless Water Heater - 180,000 BTU

(1)

Rheem RTG20280-1 Horizontal Vent-Straight Termination Kit Rheem

30% off

PlumbersCrib.com

Rheem RTG20280-1 Horizontal Vent-Straight Termination Kit

SupplyStop.com

30011586B - SIT 848 Sigma Gas Valve - Aluminum Alloy for NPE and NCB Series

SupplyStop.com

NFB-200H - Condensing Heating Boiler - 199,000 BTU

(1)

SupplyStop.com

548097A - Hydroseparator with Mounting Bracket - 1-1/4" Sweat

RefCo Supply USA

NAVIEN - 30009875A - THERMISTOR

Rheem RTG20275 Concentric Vertical Termination - Rainbow Rheem

30% off

PlumbersCrib.com

Rheem RTG20275 Concentric Vertical Termination - Rainbow

(1)

SupplyStop.com

30008171A - Inlet Water Filter - PPS with 304 SS Mesh for NPE Series

(2)

SupplyStop.com

NHB-110H - Condensing Heating Boiler - 110,000 BTU

SupplyStop.com

LT579G#03 - Rendezvous 17" Undermount Bathroom Sink with Overflow and CeFiONtect Ceramic Glaze - Bone

RefCo Supply USA

Oxbox (A Trane Brand) - J4MXCC007AC6HCA Evaporator Coil 3-4 Tons

RefCo Supply USA

Navien - 30024866A NPE-A2 Flow Sensor

SupplyStop.com

NHB-150H - Condensing Heating Boiler - 150,000 BTU

SupplyStop.com

NA503040 - Tridicator Dual Pressure / Temperature Gauge - 1/4" Male NPT

RefCo Supply USA

EZ/FLOW-20403LF-Check Valve

SupplyStop.com

30025801A - Outdoor Vent Kit - NPE-2 Series

(1)

Liberty Supply

Navien 30008333D NPE Series Front Panel

SupplyStop.com

GXXX001893 - NaviVent 3" x 5" Concentric Roof Termination Kit - 18"

(1)

SupplyStop.com

521609A - 1" MixCal Adjustable Thermostatic and Pressure Balanced Mixing Valve (sweat)

RefCo Supply USA

NAVIEN - 30008360A - CHECK VALVE

Big Frog Supply

Rinnai Outdoor Vent Cap RXOVC for Sensei RX series units

Rheem RTG20291-1 Horizontal Vent-Cone Termination Kit (2 in. x 6 in. Wall) Rheem

30% off

PlumbersCrib.com

Rheem RTG20291-1 Horizontal Vent-Cone Termination Kit (2 in. x 6 in. Wall)

SupplyStop.com

GXXX001426 - HotButton Push Button for Navien NPE Series

SupplyStop.com

30009757A - Remote Controller - NPE Series

(1)

SupplyStop.com

3PPS-12 - PolyPro Single Wall Straight Pipe - 3" x 12"

RefCo Supply USA

86532 - Klein Tools 18" Folding Tool

RefCo Supply USA

Navien - 30004680A NG Flame Rod with Gasket

SupplyStop.com

20018343A - Buffer Tank Adapter - for NPE Series

SupplyStop.com

250041A - Automatic Air Vent for Solar Systems - 1/2-Inch NPT

Liberty Supply

Navien 30008366A Blue Thermistor for NPE Models

Navien Boilers & Water Heaters 30008571A Flow Sensor | Midwest Supply Us

49% off

Midwest Supply

30008571A | Flow Sensor | Navien Boilers & Water Heaters

SupplyStop.com

NFB-399C - Condensing Heating Boiler - 399,000 BTU

SupplyStop.com

PZZZ-00063 - HotButton Add-on Control Kit for Navien NPE-A Series

(2)

SupplyStop.com

502710A - Automatic Air Vent 1/8" NPT Male with Check Valve

RefCo Supply USA

NAVIEN - 30009486A - THERMISTOR

Rheem RTEX-18 18kW tankless electric water heater

Big Frog Supply

Rheem - RTEX-18 - 18kw Tankless Electric Water Heater

Rinnai - Rinnai Universal Horizontal Termination Kit 21" 223182 - - Water Heater Venting - Big Frog Supply

Big Frog Supply

Rinnai - 223182 - Universal Horizontal Termination Kit 21"

SupplyStop.com

30027946B - Propane Gas Conversion Kit for NPE-240A2 & NPE-240S2

SupplyStop.com

30019042A - Ready-Link Manifold Kit - 4 Back-to-Back

RefCo Supply USA

ICP - 1190409 - Gas Valve

Rinnai - Rinnai Vent Pipe Extension 19.5" 224052 - - Water Heater Venting - Big Frog Supply

Big Frog Supply

Rinnai - 224052 - Vent Pipe Extension 19.5"

SupplyStop.com

NPE-240S2 - Condensing Tankless Water Heater - 199,000 BTU

(2)

SupplyStop.com

252158A - Adjustable Thermostatic Solar Mixing Valve with Temp Gauge - 3/4" Sweat

(1)

RefCo Supply USA

VAL09931 - ELECTRONIC EXPANSION VALVE

Navien Boilers & Water Heaters 30008360A Check Valve 6L x 6-2/7W x 4H Inch Plastic for NPE Model | Midwest Supply Us

49% off

Midwest Supply

30008360A | Check Valve 6L x 6-2/7W x 4H Inch Plastic for NPE Model | Navien Boilers & Water Heaters

SupplyStop.com

NPE-180A2 - Condensing Tankless Water Heater - 150,000 BTU

Rheem RTGH-84DVLN-2 8.4 GPM indoor natural gas tankless water heater with EcoNet

Big Frog Supply

Rheem - RTGH-84DVLN-2 - High Efficiency 8.4 GPM Indoor Natural Gas EcoNet Enabled Tankless Water Heater

SupplyStop.com

30008245A - Water Adjustment Valve - Brass, NPE-A

SupplyStop.com

521509A - MixCal Adjustable Thermostatic Mixing Valve - 3/4" Sweat

RefCo Supply USA

Packard - 43789 Direct Drive Blower Motor 48 Frame 3/4 HP, 115 Volts, 1075 RPM, 3 Speed

NAVIEN TANKLESS WATER HEATERS 30011532A WAV / MIXING VALVE NPE-S ONLY | Midwest Supply Us

67% off

Midwest Supply

30011532A | WAV / MIXING VALVE NPE-S ONLY | NAVIEN TANKLESS WATER HEATERS

Rinnai - Rinnai Vent Pipe Extension 10" for Condensing Units 224087PP - - Water Heater Venting - Big Frog Supply

Big Frog Supply

Rinnai - 224087PP - 10" Metal Pass Through Condensing Venting Plate

SupplyStop.com

3420RAB - Tankless Water Heater Installation Kit - 3/4" Threaded

(7)

Elbi XT-60 Diaphragm Hydronic Expansion Tank front side

SupplyStop.com

XT-60 - Diaphragm Hydronic Expansion Tank - 6.5 Gallon

RefCo Supply USA

Honeywell - VR8245M2530 Gas Valve

Rheem RTEX-08 8kW tankless electric water heater

Big Frog Supply

Rheem - RTEX-08 - 8kw Tankless Electric Water Heater