Skip to the content

Free In-Store Pick Up On Any Order

Boiler Systems
Water Heaters
Valves & Flow Control
Controls & Accessories
Air Conditioning
Brands
Resource Guides

Need help?

516-382-1019

M-F: 8:00 AM - 4:30 PM ET

Sat: 8:00 AM - 12:00 PM ET

Advanced Heating Supply LLC

Search by product, SKU, or model number...

516-382-1019

M-F: 8:00 AM - 4:30 PM ET

Sat: 8:00 AM - 12:00 PM ET

Boiler Systems

Boilers

Boiler Components

Burners

Pilot Assemblies & Thermocouples

Expansion Tanks

Pumps & Circulators

Hydro, Air, & Dirt Separators

Water Feeders
Water Heaters

Residential Tank Water Heaters

Commercial Tank Water Heaters

Hot Water Storage Tanks
Valves & Flow Control

Solenoid Valves

Gas Valves & Actuators

Zone Valves & Power Heads

Relief Valves
Controls & Accessories

Thermostats

Relays & Switching

Low Water Cut-Offs

Aquastats & Limit Switches
Air Conditioning

Brands
A
Allanson
AO Smith
Argo
Asco

B
Beckett
Bell & Gosset

C
Carlin
Conbraco/Apollo

F
Fireye
Fuel Watchmen

G
Grundfos

H
HB Smith
Heat-Timer
Hoffman
Holby
Honeywell

J
Jacobus - Maid O Mist

L
Laars
Lochinvar

M
Marathon Motors
Maxitrol
McDonnell & Miller
Modine

N
New Yorker

P
Panasonic
Petrometer

R
Robert Shaw

S
Siemens
Square D
Suntec

T
Taco
Tekmar

W
Watts Regulator
Weil-McLain
White Rodgers
Resource Guides

Home » Water Heaters

Water Heaters

Sort by:

71 Products

AO Smith AOSGCR40

A.O. Smith GCR40 | 40 Gallon GCR-40 40,000 BTU ProLine Residential Gas W...

In stock

(0)

Regular price $779.00
Bock Water Heaters BOCK255667

Bock Water Heaters 255667 | Vari Blower

In stock

(0)

Regular price $1,040.00
American Water Heaters AMERICAN100112336

American Water Heaters 100112336 | Aos Gas Valve

In stock

(0)

Regular price $125.00
American Water Heaters AMERICAN400040

American Water Heaters 400040 | 4" Flanged Ball Valve

In stock

(0)

Regular price $499.00
American Water Heaters AMERICAN3700P

American Water Heaters 3700P | 4" American Valve 125 PSI

In stock

(0)

Regular price $499.00
Bock Water Heaters BOCK32

Bock Water Heaters 32 | 32 Gallon Oil Hot Water/

In stock

(0)

Regular price $1,347.60
Bock Water Heaters BOCK32E

Bock Water Heaters 32E | 32 Gallon Oil Hot Water/

In stock

(0)

Regular price $2,600.00
AO Smith AOSEJCT20

A.O. Smith EJCT-20 | 20 Gallon EJCT-20 ProLine Residential Electric Wate...

In stock

(0)

Regular price $499.00
Advanced Heating Supply LLC TUBOMAXT23

Indirect Water Heater

In stock

(0)

Regular price $1,259.00
Advanced Heating Supply LLC TELEMT2V1000NACK22JN

Mighty Therm Water Heater

In stock

(0)

Regular price $12,449.00
Robertshaw ROB110-326

Robertshaw 110-326 | Water Heater Gas Valve

In stock

(0)

Regular price $132.00
Rheem RHEEMST-175

Rheem ST-175 | 175 Glassline Storage Tank

In stock

(0)

Regular price $3,120.00
White Rodgers WR768A434

White-Rodgers 768A434 | Ignitor American Water Heater

Out of stock

(0)

Regular price $95.00
Teledyne TELEDYNEPNCV1250NACL

Teledyne PNCV1250NACL | Pennant Water Heater with Hlw

Out of stock

(0)

Regular price $23,205.64
Teledyne TELEDYNEA2086000

Teledyne A2086000 | 200 Gallon Storage Tank

Out of stock

(0)

Regular price $5,450.00
Peerless Boilers PEERLESSPT40

Peerless Boilers PT40 | Indirect Water Heater

Out of stock

(0)

Regular price $1,200.00
Peerless Boilers PEERLESSPP40

Peerless Boilers PP40 | Indirect Water Heater

Out of stock

(0)

Regular price $1,200.00
Lochinvar LOCHRJS80

Lochinvar RJS80 | 80 Gallon Storage Tank

Out of stock

(0)

Regular price $1,699.00
Lochinvar LOCHRJA120

Lochinvar RJA120 | 119GAL Storage Tank Asme Verti

Out of stock

(0)

Regular price $3,637.00
Lochinvar LOCHPFN1501PM

Lochinvar PFN1501PM | Power-Fin Water Heater

In stock

(0)

Regular price $21,287.51
Lochinvar LOCHPFN1002PM

Lochinvar PFN1002PM | Power-Fin Water Heater

In stock

(0)

Regular price $16,982.97
Lochinvar LOCHINVARCWN2067

Lochinvar INVARCWN2067 | Copper Fin Water Heater

In stock

(0)

Regular price $14,180.00
Lochinvar LOCHCFN1262PM

Lochinvar CFN1262PM | Chimney Vent Water Heater

In stock

(0)

Regular price $16,894.00
Lochinvar LOCHCFN0992PM

Lochinvar CFN0992PM | Hot Water Heater

In stock

(0)

Regular price $11,500.00
Buderus BUDERUSSU80

Buderus SU80 | 80 Gallon Storage Tank

In stock

(0)

Regular price $1,400.00
Bock Water Heaters BOCK33E

Bock Water Heaters 33E | Water Heater Less Burner

In stock

(0)

Regular price $1,638.00
AO Smith AOSTJV120M

A.O. Smith TJV-120M | 119 Gallon TJV-120M Standard Jacketed & Insulated ...

In stock

(0)

Regular price $2,255.00
AO Smith AOSTJH-250A

A.O. Smith TJH-250A | 250 Gallon Storage Tank

In stock

(0)

Regular price $7,910.00
AO Smith AOST250A

A.O. Smith T-250A | 250 Gallon T-250A Uninsulated Asme Commercial Bare S...

In stock

(0)

Regular price $4,895.00
AO Smith AOST200S

A.O. Smith T200S | Commercial Storage Tank NO Jac

In stock

(0)

Regular price $3,350.00
AO Smith AOSHW120

A.O. Smith HW120 | Gas Water Heater

In stock

(0)

Regular price $2,150.00
AO Smith AOSGWH400

A.O. Smith GWH400 | Circulating Water Heater

In stock

(0)

Regular price $7,999.00
AO Smith AOSBTR365

A.O. Smith BTR-365 | 85 Gallon BTR-365 365,000 BTU Commercial Gas Water ...

In stock

(0)

Regular price $11,389.00
AO Smith AOSBTR199

A.O. Smith BTR-199 | 81 Gallon BTR-199 199,000 BTU Commercial Gas Water ...

In stock

(0)

Regular price $9,294.00
AO Smith AOSBTR-275-110

A.O. Smith BTR-275-110 | Water Heater

In stock

(0)

Regular price $11,923.20
Rheem RHEEMSP20832B

Rheem SP20832B | Water Heater Valve

In stock

(0)

Regular price $229.00
Robertshaw ROB110-202

Robertshaw 110-202 | Natural Gas Water Heater Valve Uni-Kit with 1-3/8" ...

In stock

(0)

Regular price $95.00
AO Smith AOS100111380

A.O. Smith 100111380 | Natural Gas Pilot Assembly for 200/201 Series Wat...

In stock

(0)

Regular price $68.00
AO Smith AOS100109446

A.O. Smith 100109446 | Replacement Natural Gas Control Valve for Water H...

In stock

(0)

Regular price $178.00
AO Smith AOSTJV200M

A.O. Smith TJV200M | 175-Gallon Standard Jacketed & Insulated Vertical S...

In stock

(0)

Regular price $4,605.00
AO Smith AOSTJV200A

A.O. Smith TJV200A | 200 Gallon TJV-200A Custom-Line Jacketed & Insulate...

In stock

(0)

Regular price $3,500.00
AO Smith AOST200A

A.O. Smith T200A | 200 Gallon T-200A Uninsulated Asme Commercial Bare St...

In stock

(0)

Regular price $3,150.00
AO Smith AOSPCS40

A.O. Smith PCS40 | Promax 40-Gallon 4500W Short Electric Water Heater

In stock

(0)

Regular price $480.00
AO Smith AOSGPVT40

A.O. Smith GPVT40 | 40-Gallon ProLine Xe Power Vent Tall Gas Water Heater

In stock

(0)

Regular price $900.00
AO Smith AOSECS40

A.O. Smith ECS40 | Promax 40-Gallon 4500W Short Electric Water Heater

In stock

(0)

Regular price $380.00
AO Smith AOSDEL20

A.O. Smith DEL20 | Dura-Power 19-Gallon 4.5kW 208V Compact Commercial Wa...

In stock

(0)

Regular price $779.00
Lochinvar LOCHCWN399

Lochinvar CWN399 | CWN399PMF9 Copper-Fin 399 Input Mbtu Commercial Natur...

In stock

(0)

Regular price $3,999.00
Lochinvar LOCHGIT080

Lochinvar GIT080 | 100303390 GIT080 72 Gallon Glass Lined Indirect Water...

In stock

(0)

Regular price $999.98

We're Here To Help!

Email: advancedheatingsupply@gmail.com

Call: 516-382-1019

30-Day Return Policy

Subject to exclusions. See our return policy for more details.

Keep in Touch

Subscribe to our newsletter and receive special offers

Your email

P.O. BOX 206
North Bellmore, NY 11710

(516) 382-1019 advancedheatingsupply@gmail.com

Useful Links

Best Sellers
Resource Guides
Contact Us

Resources

Refund Policy
Shipping Policy
Terms of Service
Privacy Policy

Pay Securely

We take your security and privacy very seriously. We do not keep or store Credit/Debit card details once they have been processed.

© 2026, Advanced Heating Supply LLC - Powered by Shopify

Your cart

Your cart is empty