Crown 5-Section 280,000 BTU Oil Hot Water Block With Coil TWZ005WCSHORTY, TWZ005WCSH
Crown 5-Section 280,000 BTU Oil Hot Water Block With Coil TWZ005WCSHORTY, TWZ005WCSH
Crown 5-Section 280,000 BTU Oil Hot Water Block With Coil TWZ005WCSHORTY, TWZ005WCSH
Crown 5-Section 280,000 BTU Oil Hot Water Block With Coil TWZ005WCSHORTY, TWZ005WCSH

Crown 5-Section 280,000 BTU Oil Hot Water Block With Coil TWZ005WCSHORTY, TWZ005WCSH

 

Crown

Crown 5-Section 280,000 BTU Oil Hot Water Block With Coil TWZ005WCSHORTY, TWZ005WCSH

 

  • ENERGY STAR® rated with efficiencies up to 88.2%*
  • Rugged wet base, cast iron heat exchanger Cast iron swing-open burner door for easy service
  • Optional front-mounted tankless coil for domestic hot water supply
  • Available in “Shorty” pac version with burner packaged separately for easy delivery
  • Burners: Beckett,
  • Limited lifetime warranty
  • Hydrolevel Hydrostat with low water cut off

Tobago (TWZ)


The Tobago (TWZ) Series boiler is an installer-ready, residential, cast-iron, oil-fired, water boiler. The Tobago is designed for installation with a standard chimney and is available in heating capacities from 80 to 241 MBH. This boiler is available in a semi-packaged ‘Shorty’ version. The ‘Shorty’ is shipped with the burner and controls separate from the boiler.

Options on the TWZ series include a domestic coil and your choice of three different oil burners: Beckett (standard), Riello or Carlin. Features of the TWZ series include a wet-base heat exchanger design, cast-iron burner swing door, a 3-prong quick disconnect for easy service, Honeywell operating controls, Taco circulator, and a barometric damper. Some TWZ models are ENERGY STAR® qualified. See the Product Ratings tab for more details.

https://www.velocityboilerworks.com/documents/CVB-Tobago-TWZ-Lit-Sht-Web-June-18.pdf

 

 

Type: Residential
Heat Exchanger: Cast Iron
Fuel: Oil
Input: 0.65 – 2.00 GPH
Efficiency (AFUE) 84.0% – 86.0%
Venting: Chimney
Ignition: N/A
Trim: Water
Domestic Water: Less Coil/ No Coil
Burner: Beckett
Configuration: Packaged or Shorty
Notes: Some models are ENERGY STAR qualified.

 

 

 

MODEL

NUMBER

 NO.
SECTIONS		 HEATING CAPACITY
(MBH)		 AHRI NET RATING
(MBH)		 BURNER CAPACITY
GPH		 TWZ AFUE
(%)		 TWD AFUE*
(%)		 TANKLESS HEATER
GPM		 CHIMNEY SIZE
IN. x IN. x FT.		 APPROX SHIPPING WEIGHT
(LBS)
TWZ/TWD065* 3 80 70 0.65 86.1 88.1 2.75 8 x 8 x 15 560
TWZ/TWD075* 3 91 79 0.75 85.8 87.8 3.00 8 x 8 x 15 560
TWZ/TWD100 3 120 104 1.00 84.3 – 3.25 8 x 8 x 15 560
TWZ/TWD090* 4 111 97 0.90 86.0 88.2 3.25 8 x 8 x 15 680
TWZ/TWD125* 4 152 132 1.25 85.1 87.1 3.75 8 x 8 x 15 680
TWZ150 4 179 156 1.50 84.0 – 4.00 8 x 8 x 15 680
TWZ/TWD120* 5 147 128 1.20 85.9 87.5 3.50 8 x 8 x 15 800
TWZ175* 5 212 184 1.75 85.1 – 4.25 8 x 8 x 15 800
TWZ200 5 241 210 2.00 84.7 – 4.75 8 x 8 x 15 800
*Energy Star qualified

 

  1. Altitudes above 2,000 ft. – ratings should be reduced at a rate of 4% for each 1,000 ft. above sea level (U.S.A only).
  2. The Net Water Ratings are based on a piping and pickup allowance of 1.15.
  3. Maximum Working Pressure, Water = 50 PSI.
  4. Tankless Heater Ratings based on I=W=H test standard.
  5. The manufacturer should be consulted before selecting a boiler for installation having unusual piping and pickup requirements, such as intermittent system operation, extensive piping systems, etc.

 

 

 

MODEL
NUMBER		 DIMENSION (INCHES) FLUE COLLAR DIAMETER
(INCHES)
A B
TWZ065 16 – 1/2 8 – 1/4 6
TWZ075 16 – 1/2 8 – 1/4 6
TWZ100 16 – 1/2 8 – 1/4 6
TWZ090 21 – 1/2 10 – 3/4 7
TWZ125 21 -1/2 10 – 3/4 7
TWZ150 21 – 1/2 10 – 3/4 7
TWZ120 26 – 1/2 13 – 1/4 8
TWZ175 26 – 1/2 13 – 1/4 8
TWZ200 26 – 1/2 13 – 1/4 8

TWZ-CONFIGURATION