Skip Content

Want to pay an invoice? Please call us at 1-800-GRAINGER (1-800-472-4643).


Eff, Economizing Control, Comm Steam Sys

  • Item# 4HVJ4
  • Mfr. Model# 1120
  • Catalog Page# N/A
  • UNSPSC# 39121510
Eff,Economizing Control,Comm Steam Sys close
close x

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.
Megaphone How can we improve our Product Images?

Product is discontinued

No alternate products can be found at this time.

Technical Specs

  • Item Energy Efficiency And Economizing Control
  • Type Light Commercial Steam Heating System Fuel Economizer
  • Application Systems with Ratings up to 2.5 Million Btu, 2 to 25 psi, or 25 to 145 psi
  • Voltage 24/120/208-220
  • Control Circuit 24 Vac/Dc, 115/220 Vac
  • Contact Rating 10 Amps At 220V
  • Contact General Purpose
  • Operating Temp. Range (F) 32 To 120 Deg F
  • Operating PSI Range 2 to 25 or 25 to 145
  • Height (In.) 4
  • Width (In.) 4
  • Depth (In.) 2-1/2
  • Mounting Any Position Using The Molded Male 1/2" Conduit Fitting
  • Display 2 Line Backlit
  • Characteristics Uses Intelligent Dynamic Cycle Management (Dcm) Technology To Save Energy By Adjusting The Burner Run Pattern To Match The Systems Heat Load, Simple Programming Via Sensor
  • Function Increased Savings Without Replacing Or Upgrading Costly System Components, Determines The Heat Load By Using An Easily Installed Pressure Sensor That Monitors The Boilers Steam-Pressure And The Rate That This Pressure Is Changing
  • Requires 4HVL1 (4005) or 4HVL2 (4006), and (1) 5WL08 or 5WL09 or 5WL28 or 5WL29
  • Special Information No Relays, Transformers Or Maintenance Required, Programming Not Normally Required, But Features And Parameters Are Easily Changed. No Programming Tools Necessary.
  • Agency Compliance UL U.S. And Canada, Ce
  • Manufacturers Warranty Length 15 Years
Megaphone How can we improve our Technical Specifications?

Compliance and Restrictions


Alternate Search Terms