<p>Supplies for the pros.<br/><strong>For homes and buildings.</strong></p>

Supplies for the pros.
For homes and buildings.

Plumbing, HVAC and smart home products from Honeywell Home, Resideo, Viega, Mueller and 180+ trusted brands, with free shipping on qualifying orders.

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Get ready for winter

Heating season is here

Thermostats, zone valves, gas valves and tankless water heaters — in stock and ready to ship.

Save 7% on heating parts with code HEAT7 · through Oct 31

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Ships in 1–2 business days

In-stock items ship from Seattle, WA

Free shipping $99+

On eligible orders, continental US

30-day returns

Manufacturer warranty on every item

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Heating season best sellers

All thermostats
T6 Pro Programmable Thermostat up to 2 Heat/2 Cool
Honeywell Home Honeywell Home TH6220U2000/U T6 Pro Programmable Thermostat up to 2 Heat/2 Cool
$123.31
In stock, 364 units
FocusPRO 5000 heating and cooling thermostat large display
Honeywell Home Honeywell Home TH5110D1022/U FocusPRO 5000 Heating and Cooling Thermostat Large Display
$92.99
In stock, 254 units
Resideo Brush Gold Baseboard Electric Heat ThermostatResideo Brush Gold Baseboard Electric Heat Thermostat
Resideo Resideo T498B1512/U Brush Gold Baseboard Electric Heat Thermostat
$63.27
In stock, 161 units
T3 Pro Non-Programmable Thermostat
Honeywell Home Honeywell Home T3 Pro Non-Programmable Thermostat TH3210U2004/U
$36.99
In stock, 14 units
Two Stage Gas Controls for Direct Ignition appliance, 1/2 in x 1/2 in inlet/outlet size, Standard Opening, 24 V AC, Natural Gas
Resideo Resideo VR8205Q2795T/U Two Stage Gas Controls for Direct Ignition Appliance, 1/2 in x 1/2 in Inlet/Outlet Size, Standard Opening, 24 V AC, Natural Gas
$211.59
In stock, 10 units
Honeywell Home TH6220WF2006/U T6 Pro Smart Thermostat Multi-Stage 2 Heat/2 CoolHoneywell Home TH6220WF2006/U T6 Pro Smart Thermostat Multi-Stage 2 Heat/2 Cool
Honeywell Home Honeywell Home TH6220WF2006/U T6 Pro Smart Thermostat Multi-Stage 2 Heat/2 Cool
$190.92
In stock, 68 units
High or low limit Aquastat controller with 100 F to 240 F operating temperature
Resideo Resideo L4008A1015/U High or Low Limit Aquastat Controller with 100 F to 240 F Operating Temperature
$225.06
In stock, 10 units
T6 Pro Hydronic Programmable ThermostatResideo T6 Pro Hydronic Programmable Thermostat
Honeywell Home Honeywell Home TH6100AF2004/U T6 Pro Hydronic Programmable Thermostat
$138.86
In stock, 21 units

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Explore our most popular items and find the right products for your next project.

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ThermostatsThermostatsComfort and control for any space.Non-Programmable ThermostatsNon-Programmable ThermostatsSimple, reliable temperature control.Smart ThermostatsSmart ThermostatsConnected comfort for a smarter home.Line Voltage ThermostatsLine Voltage ThermostatsDurable control for high-voltage systems.Fan & Limit ControllersFan & Limit ControllersReliable protection and airflow control.Zone DampersZone DampersEfficient zoning for better comfort.

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FocusPRO 6000 5-1-1 Programmable Thermostat
Thermostats
FocusPRO 6000 5-1-1 Programmable Thermostat
Programmable Thermostats
FocusPRO 5000 heating and cooling thermostat large display
Non-Programmable Thermostats
Honeywell Home YTHX9421R7001WW/U Prestige® 2-Wire IAQ Kit, HD Color Touchscreen Thermostat, White, with RedLINK® and Sensors
Smart Thermostats
Resideo Brush Gold Baseboard Electric Heat Thermostat
Line Voltage Thermostats
Honeywell Home VCZZ6100/U VC 3-Way On/Off Replacement Cartridge, Linear, Mixing or Diverting
Zone Valves
10 in x 18 in Parallel Blade Damper
Zone Dampers
Two Stage Gas Controls for Direct Ignition appliance, 1/2 in x 1/2 in inlet/outlet size, Standard Opening, 24 V AC, Natural Gas
Gas Valves
High or low limit Aquastat controller with 100 F to 240 F operating temperature
Aquastats & Wells
US Boiler (Burnham) 209EN-GO Series 2e 276,000 BTU Cast Iron Sectional Chimney Vented Gas Boiler, 84% Efficient, Grundfos Pump
Boilers
Navien NPE-180A2 ComfortFlow® High Efficiency Condensing Tankless Water Heater, 150,000 BTU, Indoor/Outdoor, NG/LP Convertible Technology NPE-180A2
Tankless Water Heaters - Gas
2" Wall Flange and Vent Terminator Kit
Navien

Pros & contractors

Trade pricing on thousands of eligible items

  • Up to 8% off eligible items, applied automatically at checkout once approved
  • Written project quotes for jobs, bulk and 10+ units
  • Honeywell Home, Resideo, Navien, Rheem and 180+ brands, in-stock items ship in 1–2 business days
Open a trade account Request a project quote

Navien tankless water heaters

All tankless gas
Navien NPE-180A2 ComfortFlow® High Efficiency Condensing Tankless Water Heater, 150,000 BTU, Indoor/Outdoor, NG/LP Convertible Technology NPE-180A2Navien NPE-180A2 ComfortFlow® High Efficiency Condensing Tankless Water Heater, 150,000 BTU, Indoor/Outdoor, NG/LP Convertible
Navien Navien NPE-180A2 ComfortFlow® High Efficiency Condensing Tankless Water Heater, 150,000 BTU, Indoor/Outdoor, NG/LP Convertible
$2,208.75
In stock, 15 units
Navien NHW-SU 199,000 BTU Compact tankless water heaters work great inside and outside - PropaneNavien NHW-SU 199,000 BTU Compact tankless water heaters work great inside and outside - Propane
Navien Navien NHW700-199SU-LP NHW-SU Compact Tankless Water Heater, 199,900 BTU, Indoor/Outdoor, Propane
$1,371.82
Only 4 units left
Navien NHW-AE 180,000 BTU Compact tankless water heaters, Indoor Installation, Built-in recirculation pump & buffer tank - Natural GasNavien NHW-AE 180,000 BTU Compact tankless water heaters, Indoor Installation, Built-in recirculation pump & buffer tank - Natural Gas
Navien Navien NHW700-180AI-NG NHW-AI Compact Tankless Water Heater with Built-In Recirculation Pump & Buffer Tank, 180,000 BTU, Indoor, Natural Gas
$1,479.99
Only 2 units left
Navien NPN-180U-LP Mid Efficiency Tankless Water Heater, 180,000 BTU, Indoor/Outdoor, PropaneNavien NPN-180U-LP Mid Efficiency Tankless Water Heater, 180,000 BTU, Indoor/Outdoor, Propane
Navien Navien NPN-180U-LP Mid Efficiency Tankless Water Heater, 180,000 BTU, Indoor/Outdoor, Propane
$1,085.70
In stock, 8 units

Featured brand

The controls pros install.

Honeywell Home and Resideo thermostats, zone valves, gas valves, aquastats and IAQ, with the same part numbers you pull off the wall.

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Trusted Brands

Resideo
Rheem
Honeywell Home
Moen
Navien
Milwaukee Tools
Toto
American Standard
Grohe
Hansgrohe
nVent Caddy
IPS Corporation
Delta
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Everything you need for your home

Browse our top categories and find the right products for your next project.

Heating

Heating

Comfort solutions for every season.
Water Heating

Water Heating

Reliable hot water for everyday living.
<p>Pipe & Fittings</p>

Pipe & Fittings

Quality materials for any project.
<p>Fixtures & Trim</p>

Fixtures & Trim

Style and function for every space.
<p>Tools</p>

Tools

Get the job done right.
Valves

Valves

Control flow with confidence.
<p>Drains</p>

Drains

Solutions for a cleaner home.
Clearance

Clearance

Top deals while supplies last.
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Kitchen

Appliances, fixtures and more.
<p>Bathroom</p>
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Bathroom

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<p>Living Room</p>
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Living Room

Comfort meets functionality.
<p>Garage/Tools</p>
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Garage/Tools

Tools and storage solutions.
<p>Water Heaters</p>
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Water Heaters

Reliable hot water solutions.
<p>Outdoor</p>
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Outdoor

Products for outdoor living.
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Laundry

Everything for your laundry.
<p>Water Treatment</p>
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Water Treatment

Cleaner water for your home.
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Brands we stock

Plumbing, hydronic, and HVAC products in stock, ready to be shipped when you need them. Specs and manuals available online.

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Resideo Navien Taco Caleffi Boiler Company Lochinvar Tekmar Noritz Rheem Stiebel Eltron Bosch Amtrol
Milwaukee Valve Watts Apollo Conbraco Zurn Wilkins Cash Acme Legend Valve Webstone Jomar Red White Valve Nibco
Zoeller Liberty Pumps Grundfos Zurn A Y Mcdonald Industries
Viega Charlotte Pipe Mueller Streamline Sioux Chief Gruvlok Oatey
Grohe Brizo Toto Moen Delta American Standard Hansgrohe Sloan T S Brass Bronze Works Elkay Gerber Insinkerator Duravit Maax Blanco Franke Newport Brass Rohl