Carpet Cleaning Gas Water Heater

Gas HeaterIn 1927, W. E. McCorquodale invented and was granted a patent on the first thermostatically-controlled instantaneous gas water heater. He called the device the "Hotomatic."

Today, Little Giant has taken his original ideas and improved on the design to offer a dependable, reliable, and long lasting water heater for the carpet cleaning industry. Using today’s technology and the original ideas of Mr. McCorquodale, we manufacture a heater that rivals any exhaust heat exchanger on the market, at half the cost.

We offer btu ratings from 65,000 to 180,000 for even the largest systems. We also offer pressure ranges from 600psi to 2200psi for tile and grout cleaning. Our three models, the #2HT, #3HT, and #4HT are designed specifically for heating water under high pressure, making them perfect for carpet cleaning.  We now are offering extreme high pressure models in the #3HTXP and #4HTXP.

Hotomatic® Gas Water Heaters

We manufacture three models of Hotomatic® Gas Water Heater which may be used with either natural gas or L-P gas.  Now offering a NEW #3XP and #4XP extreme high pressure at 2200psi...see below.

Hotomatic Heaters are manufactured in the square shape only.

TypesHotomatic®
No. 2HSQ
Hotomatic®
No. 2HTSQ
Hotomatic®
No. 3HSQ
Gallons Per Hr. Recovery      90 (60°R)
    45 (120°R)
     90 (60°R)
    45 (120°R)
    150 (60°R)
    75 (120°R)
Gallons Per Minute     1.5 (60°R)
   .75 (120°R)
    1.5 (60°R)
   .75 (120°R)
    2.5 (60°R)
   1.25 (120°R)
BTU Input (Approx.)        65,000        65,000       120,000
Vent size       4 inches       4 inches       4 inches
Height (Not Including diverter)     221/2 inches     221/2 inches      30 inches
Square    111/4 inches    111/4 inches    133/4 inches
Weight (Crated)        47 lbs.        47 lbs.        79 lbs.
Gas Line Size
Up To 15' Long
    1/2 inch I.D.      1/2 inch I.D.     1/2 inch I.D.
Water Connections
(Standard Pipe Size)
           3/4" F     Cold ­ 1/4" M
      Hot 3/4" F
          3/4" F
Square
Heater List Prices
$1080.00$1140.00$1390.00
Coil List Prices       $575.00
       #2HC
      $600.00
       #2HTC
      $690.00
       #3HC

 

 

Types

Hotomatic®
No. 3HTSQ

Hotomatic®
No. 3HT High Pressure
Hotomatic®
No. 4HTSQ
Gallons Per Hr. Recovery     150 (60°R)
    75 (120°R)
    150 (60°R)
    75 (120°R)
    225 (60°R)
  112.5 (120°R)
Gallons Per Minute     2.5 (60°R)
   1.25 (120°R)
    2.5 (60°R)
  1.25 (120°R)
    3.75 (60°R)
   1.87 (120°R)
BTU Input (Approx.)       120,000      120,000      180,000
Vent size       4 inches      4 inches      6 inches
Height (Not Including diverter)      30 inches      30 inches      32 inches
Square    133/4 inches    133/4 inches    173/4 inches
Weight (Crated)        79 lbs.        79 lbs.      120 lbs.
Gas Line Size
Up To 15' Long

     1/2 inch I.D.

     1/2 inch I.D.     5/8 inch I.D.
Water Connections
(Standard Pipe Size)
    Cold ­ 1/4" M
     Hot 3/4" F
    Cold ­ 1/4" M
     Hot 3/4" F
   Cold ­ 1/4" M
    Hot 3/4" F
Square
Heater List Prices
$1450.00$1570.00$1850.00
Coil List Prices       $749.00
      #3HTC
     $1075.00
     #3HTHPC
     $1200.00
      #4HTC
  • Spark Ignitor, # PLL - List Price - $49.00
  • Relief Valve, Model #PR - 600 psi - List Price - $77.00
  • Relief Valve, Model #PR1000 - 1000 psi - List Price - $77.00
  • Gas Pressure Regulator, Model #REG - List Price - $49.00
    140,000 BTU/Hr for No. 1, No. 2, No. 3 Hotomatic® Heater
  • Gas Pressure Regulator, Model # LV404B39 - List Price - $175.00
    575,000 BTU/Hr for No. 4 Hotomatic® Heater

 ***All heaters are rated at 600psi unless indicated as high pressure for use at 1300psi or 2200psi*** Our heaters are capable of 225+ degrees of hot water output at the heater discharge port*** 

Little Giant is proud to introduce two new heaters into the lineup.  We are now offering a new #3HTXP in Extreme High Pressure with a pressure rating up to 2200psi.  We will also offer it in the #4HTXP Extreme High Pressure.  Both heaters will have the capacity to handle extreme high pressures up to 2200psi with no problem for those tough cleaning jobs.

#3HTLPSQXP-2200psi Heater only-  $1800.00

#4HTLPSQXP-2200psi Heater only-  $2200.00

 

Prices subject to change without notice.

Related Documents

Hotomatic Instructions
Hotomatic Operating Setup Diagram
Hotomatic 2HT Parts List
Hotomatic 3HT Parts List
Hotomatic H Parts Breakdown Page 1
Hotomatic H Parts Breakdown Page 2
Hotomatic HT Parts Breakdown Page 1
Hotomatic HT Parts Breakdown Page 2
Hotomatic Troubleshooting Guide Page 1
Hotomatic Troubleshooting Guide Page 2

The high temperature thermostat is located at the top of the heater in the coil header. The cold water inlet is also connected in the top header above the thermostat’s temperature sensing probe. The heater’s main burner ignites immediately when the trigger is pulled on the wand, and cold water is introduced into the coil. When you release the trigger on the wand, the heater will then turn itself off once it has reached the desired temperature set on the thermostat, usually 10-15 seconds later. This prompt thermostat action prevents the buildup of extremely hot water in the wand hose. Tests in our laboratory show a maximum hot water output temperature of 230+°F with the thermostat set on high.

We offer a full line of accessories for the water heaters and can have them to you in one day’s time if necessary. We also offer full repair services on both heaters and coils for a fraction of the price of our competitors. 

We have been making water heaters since 1904. This long tradition of efficient performance is the result of rigid control of manufacturing details and the use of the finest materials and craftsmanship available. Little Giant water heaters have proven to be dependable under the true test of constant daily use. They will provide long, care free service and the maximum is satisfaction.

Contact one of our qualified representatives today to discuss options and pricing
or to order from the number-one fiberglass church manufacturer in the U.S. call us today at 1-800-231-6035


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