Skip Ribbon Commands
Skip to main content
SharePoint
Login or Register to view pricing and order.
Item 33 Of 33
Electro-Mechanical Aquastat
Electro-Mechanical Aquastat

L4006A2205/B

Electro-Mechanical Aquastat

This product is no longer available for purchase.

  • Product Info
  • Literature

Overview

Aquastat® Controllers from Resideo are immersion type devices for limiting or regulating the temperature of liquids in boilers, storage tanks, and other applications where temperature control is required. L4006 are used in applications that utilize the existing wells

Features

  • Totally enclosed Micro Switch™ snap-acting switches operate on temperature rise to setpoint.
  • Visible control point scale and external adjustment screw permit easy setting.
  • Horizontal or vertical insertion of the sensing element.
  • Direct or well immersion of the sensing element.
  • Models available for strap-on mounting.
  • Remote bulb model may be used to sense air temperature in ducts and in outside air sensing applications.
  • Select models include heat-conductive compound.
  • Select models have wells.
  • UL limit rated device.

Product Specifications

Hazmat Information
UN 1294, TOLUENE, 3, II
Application
High or Low limit Aquastat
Includes
Stop factory-set at 180 F
Operating Temperature Range (F)
40 F to 180 F Stop at 180 F
Operating Temperature Range (C)
4 C to 82 C, Stop at 82 C
Differential Temperature (F)
5 F to 30 F adj.
Differential Temperature (C)
3 C to 17 C adj.
Capillary Length (in.)
1-1/2 in. to 3 in.
Well Spud Size (in.)
Less well
Well Spud Size (mm)
Less well
Capillary Length (mm)
38 mm to 76 mm

Marketing Collateral

Sales/Promotional Materials-Resideo Hydronic Heating Solutions Brochure (English)

Sales/Promotional Materials-Cross Reference Guide for Residential Combustion Heating and Cooling Parts (English)

Sales/Promotional Materials-Resideo Hydronic Heating Solutions Brochure (French)

Wiring-Typical oil-fired gravity system

Wiring-Typical systems with 120 volt electric heat primaries

Wiring-Typical oil-fired hydronic heating system

Wiring-Typical gas-fired system with domestic hot water

Wiring-Operation of L6008G

Wiring-Operation of L4008L

Wiring-L6008A used to control cooling equipment and indicating light.

Wiring-Typical wiring hookup

Wiring-Typical connection diagram for an oil fired hydronic heating system

Wiring-Typical oil-fired hydronic system with domestic hot water.

Wiring-Oil & Hydronic Training

Wiring-Oil & Hydronic Training

Wiring-Oil & Hydronic Training

Wiring-Oil & Hydronic Training

Wiring-Oil & Hydronic Training

Dimension-Approximate immersion well dimensions in in. (mm) for all models except L4006C a

Dimension-Approximate boiler fitting and bulb dimensions in in. (mm) for L4006C and L6006B

Dimension-Approximate installation dimensions in in. (mm) for remote bulb models

Dimension-Approximate case installation dimensions in in. (mm) for direct insertion models

Dimension-Approximate installation dimensions in in. (mm) for surface mount models.

Dimension-Aquastat(r) Controller

Technical Documents

Product Data and Specifications-Product Data for L4006,7,8; L6006,7,8 Aquastat® Controllers (English)

Installation Materials-Installation Instruections for L4006, L4007 Aquastat Controllers (English, French)

Installation Materials-Installation Instructions for L4006 L4006A, L4006B, L4006E, L4006H, Regulateurs Aquastat (French)

Installation Materials-Installation Instructions for L4006 L4006A, L4006B, L4006E, L4006H Aquastat Controllers (English)

Maintenance/Product Reference Materials-Residential Combustion Application Selection and Cross-Reference Guide (English)