logo
Quick Order
Sign in
  • Brands
  • Branch Locations
  • Showrooms
  • Promotions
Shop
  • Locations
  • Showrooms
  • Promotions
  • Create an Account
Customer Service
  • Contact Us
  • FAQs
  • Returns
  • Credit Application
  • Billtrust Payments
Corporate
  • About Us
  • Careers
  • Subsidiaries
Divisions
  • Plumbing
  • Fire & Fabrication
  • HVAC
  • Municipal
  • Waterworks
Stay Connected
  • Facebook
  • LinkedIn
  • Instagram
  • Youtube
Don’t miss exclusive updates, expert tips, and special offers. Join our email list and make sure you never miss out!
  • Subscribe Now
  • Newsletter Signup
©2025 Etna Supply Company. All Rights Reserved.
  • Privacy Policy
  • Terms of Use
  • Home/
  • Water Heater Controls

Water Heater Controls

Water heater controls optimize temperature, efficiency, and safety for enhanced comfort.

Brand

Nominal Size

Type

Showing 16 of 88 Results

AO Smith® 100112336

AO Smith® 100112336

PN: 151400
UPC: 020363173050
MPN: 100112336

What's the price?

Sign in or Register for Pricing and Inventory

AO Smith® 100112338

AO Smith® 100112338

PN: 154695
UPC: 020363173111
MPN: 100112338

What's the price?

Sign in or Register for Pricing and Inventory

AO Smith® 100112339

AO Smith® 100112339

PN: 472171
UPC: 020363173128
MPN: 100112339

What's the price?

Sign in or Register for Pricing and Inventory

APCOM 100109913

APCOM 100109913

PN: 238266
UPC: 020363137410
MPN: 100109913

What's the price?

Sign in or Register for Pricing and Inventory

Hydrolevel 45-1105

Hydrolevel 45-1105

PN: 35623
UPC: 642277441157
MPN: 45-1105

What's the price?

Sign in or Register for Pricing and Inventory

KD Navien® 30000609A

KD Navien® 30000609A

PN: 154520
UPC: 884954041568
MPN: 30000609A

What's the price?

Sign in or Register for Pricing and Inventory

KD Navien® NaviLink™ PBCM-AS-001

KD Navien® NaviLink™ PBCM-AS-001

PN: 412395
UPC: 884954049397
MPN: PBCM-AS-001

What's the price?

Sign in or Register for Pricing and Inventory

KD Navien® PFMZ-02P-001

KD Navien® PFMZ-02P-001

PN: 339853
UPC: 884954330716
MPN: PFMZ-02P-001

What's the price?

Sign in or Register for Pricing and Inventory

KD Navien® PFMZ-03P-001

KD Navien® PFMZ-03P-001

PN: 479756
UPC: 884954320366
MPN: PFMZ-03P-001

What's the price?

Sign in or Register for Pricing and Inventory

KD Navien® PFMZ-04P-001

KD Navien® PFMZ-04P-001

PN: 483198
UPC: 884954330723
MPN: PFMZ-04P-001

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar 100208492

Lochinvar 100208492

PN: 400811
MPN: 100208492

What's the price?

Sign in or Register for Pricing and Inventory

LOCHINVAR 100266962

LOCHINVAR 100266962

PN: 414464
MPN: 100266962

What's the price?

Sign in or Register for Pricing and Inventory

LOCHINVAR 100278134

LOCHINVAR 100278134

PN: 387800
MPN: 100278134

What's the price?

Sign in or Register for Pricing and Inventory

LOCHINVAR RLY20120 100277816

LOCHINVAR RLY20120 100277816

PN: 316115
MPN: 100277816

What's the price?

Sign in or Register for Pricing and Inventory

LOCHINVAR TRF20012 100170182

LOCHINVAR TRF20012 100170182

PN: 358289
MPN: TRF20012

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100109929

Lochinvar® 100109929

PN: 38914
MPN: 100109929

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100109945

Lochinvar® 100109945

PN: 166405
MPN: 100109945

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100110775

Lochinvar® 100110775

PN: 154702
MPN: 100110775

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100110776

Lochinvar® 100110776

PN: 151397
MPN: 100110776

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100112337

Lochinvar® 100112337

PN: 489952
MPN: 100112337

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100112653

Lochinvar® 100112653

PN: 223312
MPN: 100112653

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167767

Lochinvar® 100167767

PN: 30888
UPC: 67165007438
MPN: 100167767

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167768

Lochinvar® 100167768

PN: 30905
MPN: 100167768

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167773

Lochinvar® 100167773

PN: 31019
MPN: 100167773

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167774

Lochinvar® 100167774

PN: 31043
MPN: 100167774

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167776

Lochinvar® 100167776

PN: 68726
UPC: 671650213005
MPN: 100167776

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167793

Lochinvar® 100167793

PN: 92968
MPN: 100167793

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167795

Lochinvar® 100167795

PN: 92972
MPN: 100167795

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167805

Lochinvar® 100167805

PN: 338768
MPN: 100167805

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167817

Lochinvar® 100167817

PN: 443210
MPN: 100167817

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167823

Lochinvar® 100167823

PN: 92978
MPN: 100167823

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167824

Lochinvar® 100167824

PN: 92981
MPN: 100167824

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167825

Lochinvar® 100167825

PN: 90933
MPN: 100167825

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167833

Lochinvar® 100167833

PN: 156151
MPN: 100167833

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167834

Lochinvar® 100167834

PN: 199168
MPN: 100167834

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167835

Lochinvar® 100167835

PN: 199191
MPN: 100167835

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167836

Lochinvar® 100167836

PN: 199192
MPN: 100167836

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167837

Lochinvar® 100167837

PN: 250526
MPN: 100167837

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100167866

Lochinvar® 100167866

PN: 530236
MPN: 100167866

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100171792

Lochinvar® 100171792

PN: 851191
MPN: 100171792

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100171926

Lochinvar® 100171926

PN: 90657
MPN: 100171926

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100171944

Lochinvar® 100171944

PN: 199195
MPN: 100171944

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100171945

Lochinvar® 100171945

PN: 199197
MPN: 100171945

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100171946

Lochinvar® 100171946

PN: 198086
MPN: 100171946

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100171947

Lochinvar® 100171947

PN: 199200
MPN: 100171947

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100171948

Lochinvar® 100171948

PN: 199202
MPN: 100171948

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100171949

Lochinvar® 100171949

PN: 199203
MPN: 100171949

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100171950

Lochinvar® 100171950

PN: 346254
MPN: 100171950

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100171985

Lochinvar® 100171985

PN: 326853
MPN: 100171985

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100172002

Lochinvar® 100172002

PN: 63889
MPN: 100172002

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100172003

Lochinvar® 100172003

PN: 63907
MPN: 100172003

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100172004

Lochinvar® 100172004

PN: 63941
MPN: 100172004

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100172005

Lochinvar® 100172005

PN: 63954
MPN: 100172005

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100172006

Lochinvar® 100172006

PN: 63965
MPN: 100172006

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100172008

Lochinvar® 100172008

PN: 422883
MPN: 100172008

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100172009

Lochinvar® 100172009

PN: 64035
MPN: 100172009

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100172010

Lochinvar® 100172010

PN: 154434
MPN: 100172010

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100172011

Lochinvar® 100172011

PN: 154437
MPN: 100172011

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100172012

Lochinvar® 100172012

PN: 124661
MPN: 100172012

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100172014

Lochinvar® 100172014

PN: 154487
MPN: 100172014

What's the price?

Sign in or Register for Pricing and Inventory

1 - 60 of 88

Water Heater Controls encompass a range of devices designed to regulate the temperature and operation of water heating systems. These controls ensure optimal performance, energy efficiency, and safety. From thermostats to digital interfaces, they provide users with precise management of hot water supply, enhancing comfort while minimizing energy consumption. Proper control systems are essential for maintaining consistent water temperatures and prolonging the lifespan of water heaters.