Heat and Plumb
Add Heat and Plumb to your Favorites Subscribe to Mailing List Call Heat and Plumb about our great offers Sales validated by 192.com Shopping Cart Proceed to Checkout  
Items: 0 | Value: £0.00
We have cut our VAT rates to 15%

Roberts Gordon COMBAT Suspended Tubular Unit Heater (CTUA) NATURAL GAS

- RGCTUA22G

Roberts Gordon COMBAT Suspended Tubular Unit Heater (CTUA) NATURAL GAS

The Roberts Gordon COMBAT Tubular Unit Heater (CTUA) is fitted with an axial fan system, consisting of a low noise fan(s) powered by a direct drive motor located on the rear of the unit.

CTUA heaters should be used for free blowing applications only. Please note this is a commercial product.

Heater Features:


  • Easy To Install, Maintain and Operate with Rear Flue Spigot
  • Automatic Ignition Burners with Remote Lock-Out and Reset
  • Light To Indicate Lockout and Operation
  • Suspended or Shelf-Mounted Installation
  • Automatic Ignition Burners
  • Meets ECA Efficiency Requirements
  • Aluminized Steel Heat Exchangers
  • Remote Fan Operation


Heater Technical Data Table: 22kW-50kW Models


  22kW Model 30kW Model 35kW Model 40kW Model 50kW Model

Maximum Heat Input Gross (kW)

27 33 39 48 61
Maximum Heat Input Gross (Btu/h) x (1000) 93 113 133 163 210
Maximum Heat Input Net (kW) 25 30 35 43 55
Maximum Heat Input (Btu/h) x (1000) 85 102 119 147 188
Maximum Heat Output (kW) 23 27 32 39 51
Maximum Heat Output (Btu/h) x (1000) 78 92 109 133 174

Maximum Gas Rate Natural (G20) (m³/h)

2.6 3.2 3.7 4.5 5.8
Maximum Gas Rate Natural (G20) (ft³/h) 92 112 131 160 206
MaximumGas Rate Natural (G25) (m³/h) 3.03 3.33 4.31 4.78 6.14
Gas Connection R - 1/2 R - 1/2 R - 1/2 R - 1/2 R - 1/2
Number of Burners 5 5 6 7 9
Inlet Pressure (mbar) Natural Gas (G20) & (G25)

Natural Gas G20 (Min 17, Max 25)

Natural Gas G25 (Min 20, Max 30)

Electrical Supply 230V, 50hZ, 1Ø


Heater Technical Data Table: 60kW-115kW Models



  60kW Model 75kW Model 90kW Model 100kW Model 115kW Model

Maximum Heat Input Gross (kW)

70 95 111 119 134
Maximum Heat Input Gross (Btu/h) x (1000) 238 324 378 405 459
Maximum Heat Input Net (kW) 63 87 100 107 121
Maximum Heat Input (Btu/h) x (1000) 215 297 341 365 413
Maximum Heat Output (kW) 58 78 91 98 111
Maximum Heat Output (Btu/h) x (1000) 198 266 310 334 379

Maximum Gas Rate Natural (G20) (m³/h)

6.6 9.0 10.5 11.3 12.8
Maximum Gas Rate Natural (G20) (ft³/h) 234 319 371 398 451
MaximumGas Rate Natural (G25) (m³/h) 6.98 9.49 11.06 11.86 13.43
Gas Connection R - 1/2 R - 3/4 R - 3/4 R - 3/4 R - 3/4
Number of Burners 11 12 14 15 17
Inlet Pressure (mbar) Natural Gas (G20) & (G25)

Natural Gas G20 (Min 17, Max 25)

Natural Gas G25 (Min 20, Max 30)

Electrical Supply 230V, 50hZ, 1Ø


Product Brochure & Flue Options


Roberts Gordon Brochure Roberts Gordon Flue Options Roberts Gordon Flue Options



2 Years Guarantee


Delivery Time For This Product Will Be Approximately 7 - 10 Working Days

Please choose from the Choice of Flues Below. We highly recommend reading the Roberts Gordon Brochures above or calling Roberts Gordon on 01902 494 425 for advice on Flues and accessories for this Product.


£866.44
£996.41 inc VAT


      Description excl. VAT inc. VAT
RGCTUA22G - 22kW Suspended Tubular Unit Heater (CTUA) £866.44 £996.41
RGCTUA30G - 30kW Suspended Tubular Unit Heater (CTUA) £882.91 £1,015.35
RGCTUA40G - 40kW Suspended Tubular Unit Heater (CTUA) £1,063.42 £1,222.93
RGCTUA50G - 50kW Suspended Tubular Unit Heater (CTUA) £1,189.84 £1,368.32
RGCTUA60G - 60kW Suspended Tubular Unit Heater (CTUA) £1,308.03 £1,504.23
RGCTUA75G - 75kW Suspended Tubular Unit Heater (CTUA) £1,551.46 £1,784.18
RGCTUA90G - 90kW Suspended Tubular Unit Heater (CTUA) £1,739.04 £1,999.90
RGCTUA100G - 100kW Suspended Tubular Unit Heater (CTUA) £1,953.66 £2,246.71
RGCTUA115G - 115kW Suspended Tubular Unit Heater (CTUA) £2,114.77 £2,431.99



Factory Fitted Options:

Sideflow Discharge Head (for use with 100 and 115kW Models)

£255.51 (£293.84 inc VAT)
Sideflow Discharge Head (for use with 75 and 90 kW Models)

£212.59 (£244.48 inc VAT)
Sideflow Discharge Head (for use with 50 and 60 kW Models)

£197.89 (£227.57 inc VAT)
Sideflow Discharge Head (for use with 22, 30, 35, 40kW Models)

£179.66 (£206.61 inc VAT)
Downflow Discharge Head (for 100 and 115 kW Models)

£255.51 (£293.84 inc VAT)
Downflow Discharge Head (for 75 and 90 kW Models)

£212.59 (£244.48 inc VAT)
Downflow Discharge Head (for 50 and 60 kW Models)

£197.89 (£227.57 inc VAT)
Downflow Discharge Head (for 22, 30, 35, and 40 kW Models)

£179.66 (£206.61 inc VAT)


Site Fitted Options:

Flexible Gas Connector (For 75, 90, 100 and 115kW Models)

£112.74 (£129.65 inc VAT)
Flexible Gas Connector (For 22, 30, 35, 40, 50 and 60kW Models)

£56.46 (£64.93 inc VAT)


Flue Components (Models 22-60) (100mm) (Room Sealed or Open):

Roberts Gordon COMBAT Master Flash (Vertical Flue)

£85.87 (£98.75 inc VAT)
Roberts Gordon COMBAT Plastic Cup (Vertical Flue) (100mm)

£43.33 (£49.83 inc VAT)
Roberts Gordon COMBAT Roof Flue Terminal (100mm)

£193.66 (£222.71 inc VAT)
COMBAT 45 Degree Bend (Vertical or Horizontal Flue) (100mm)

£30.37 (£34.93 inc VAT)
COMBAT Wall Flue Terminal (Horizontal Flue) (100mm)

£147.01 (£169.06 inc VAT)
Roberts Gordon COMBAT 90 Degree Bend (Vertical Flue) (100mm)

£31.66 (£36.41 inc VAT)
COMBAT Sealed Flue Pipe (Vertical or Horizontal Flue) (100mm)

£37.50 (£43.13 inc VAT)


Open Flue Components (Models 22-60) (100mm):

COMBAT Flue Terminal (Vertical or Horizontal Flue) (100mm)

£37.50 (£43.13 inc VAT)
Air Intake Terminal Cover (Vertical or Horizotal Flue) (100mm)

£37.50 (£43.13 inc VAT)


Flue Components (Models 75-115) (130mm) (Room Sealed or Open):

COMBAT Master Flash (Vertical Flue) (130mm)

£85.87 (£98.75 inc VAT)
COMBAT Plastic Cup (Vertical Flue) (130mm)

£31.66 (£36.41 inc VAT)
COMBAT Roof Flue Terminal (Vertical Flue) (130mm)

£246.15 (£283.07 inc VAT)
COMBAT 45 Degree Bend (Vertical or Horizontal Flue) (130mm)

£40.09 (£46.10 inc VAT)
COMBAT Wall Flue Terminal (Horizontal Flue) (130mm)

£174.87 (£201.10 inc VAT)
COMBAT 90 Degree Bend (Vertical Flue) (130mm)

£43.98 (£50.58 inc VAT)
COMBAT Sealed Flue Pipe (Vertical or Horizontal Flue) (130mm)

£47.86 (£55.04 inc VAT)


Open Flue Components (Models 75-115) (130mm):

COMBAT Flue Terminal (Vertical or Horizontal Flue) (130mm)

£40.09 (£46.10 inc VAT)
Air Intake Terminal Cover (Vertical or Horizontal) (130mm)

£37.50 (£43.13 inc VAT)


Heater Controls:

Roberts Gordon NRG Control

£229.64 (£264.09 inc VAT)
Roberts Gordon DualAir Control

£419.56 (£482.49 inc VAT)





Suspended Tubular Unit Heaters (CTUA) NATURAL GAS
Maestro Logo Visa Debit Logo Mastercard Logo Visa Logo Solo Logo Visa Electron