Welcome to Our New & Improved Website!

Water Heaters Only - We Are Your Water & Air Experts

763-557-1117 orders@wh2only.com

About Us

Who We Are
Solutions
Training

Resources
Shop Our Products
Promotions

Golden Valley

Eden Prairie

© 2026 Water Heaters Only. All rights reserved.

Promotions
Find a Pro

Volume Water Heaters

Volume Water Heaters | WH2O

Home ProductsWater HeatersVolume Water Heaters

Items 1-1 of 1

Items Per Page

Volume Water Heaters

400 MBH Input, Nat gas, 2-stage firing, Domestic water heating boiler, built in draft diverter, stainless steel burners, 4-pass HX, bronze headers, manual reset high limt, pump control, Ele ignition, 1FS-1 flow switch (-G1), 125# relief (-G)

SW0400-2STG-NG

Login for pricing

400 MBH Input, Nat gas,
2-stage firing, Domestic water
heating boiler, built in draft
diverter, stainless steel
burners, 4-pass HX, bronze
headers, manual reset high
limt, pump control, Ele
ignition, 1FS-1 flow switch
(-G1), 125# relief (-G)

FIND a local Pro

Out of Stock