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
© Copyright 2025 Etna Supply Company. All Rights Reserved.
  • Privacy Policy
  • Terms of Use
  • Home/
  • Hydronic Expansion Tanks
    /
  • Amtrol® SX-40V Extrol 20 gal Non-Asme Exp Tank

Amtrol® SX-40V Extrol 20 gal Non-Asme Exp Tank

PN :
37505
UPC :
642031119896
MPN :
118-78
Amtrol® EXTROL® 118-78 SX Series Vertical Floor-Standing Boiler System Expansion Tank, 20 gal Capacity, 0.57 Acceptance, 11.3 gal Acceptance, 100 psi Pressure, Heavy Duty Butyl/EPDM Diaphragm, 15 in Dia x 32 in H

What's the price?

Sign in or Register for Pricing and Inventory



Amtrol® EXTROL® Boiler System Expansion Tank, Vertical Floor-Standing, Series: SX Series, 20 gal, 15 in Dia, 32 in Height, 100 psi, Acceptance Factor: 0.57, 11.3 gal Acceptance Capacity, 240 deg F, Heavy Duty Butyl/EPDM Diaphragm, Steel Shell, Urethane Topcoat, Domestic
These non-ASME tanks are available in sizes up to 86 gallons and can be used with high output boilers up to 1,500,000 BTU's Accepts expanded water as system temperature rises to reduce pressure build-up 12 psig factory precharged 1 in NPTF steel system connection 1-13/16 in stand to connection Projection welded air valve