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Since Tuesday, 02/23/2021 04:00
Eastern Time Zone

Stelpro > Commercial / architectural heating > Explosion-proof and water resistant > SWU

Washdown Unit Heater

Reliable, resistant and self-contained

SWU

Discover the perfect comfort heating solution for damp and corrosive conditions. This corrosion-resistant unit is fully sealed and waterproof. Available in a variety of powers and voltages, this sturdy unit is suitable for specialized applications.

Product images

  • SWU
  • SWU | ANGLE

Advantages

  • Designed for damp and corrosive conditions
  • Stainless steel construction
  • Watertight NEMA-4X housing
  • Sealed and lifetime lubricated, epoxy coated motor

FINISH

  • Stainless steel

MANUFACTURING

  • Heavy 16-gauge stainless steel housing
  • Adjustable stainless steel louvers (can be rotated 90°)
  • Non-metallic control enclosure (meets NEMA 4X hose-down requirements)
  • Thermal protection with automatic reset

MOTOR

  • Totally enclosed, epoxy-coated and permanently lubricated ball bearing motor
  • Powder-coated aluminum fan blade

ELEMENTS

  • Industrial grade, type 316 stainless steel tubular elements with stainless steel fins

CONTROL

  • Factory mounted
  • Housed in a non-metallic enclosure
  • Includes a thermal protection with automatic reset, fan delay relay, controlling contactor transformer for 24 V control circuit, terminal block for field wiring and a separate motor contactor that can be used when required

INSTALLATION

  • Wall or ceiling mounted with stainless steel swivel mounting bracket (included)
  • Ceiling mounted with 4 3/8-16 threaded rods (not provided – if the swivel mounting bracket is not required, choose the SWU-B or SWU-B1 options)

WARRANTY

  • One year
SpecsheetDownload the product specsheet containing product specs and other useful information
User guideDownload the product user guide
Technical drawingsDownload the product technical drawings
Shop drawingsDownload the product shop drawings

Code Power - watts Voltage - volts Phase - nb. Amperage - amp. Motor - hp Approx. air temperature rise - °C (°F)
SWU0211-T 2000 120 1 21 1/4 5 (9)
SWU0221-T 2000 240 1 11 1/4 5 (9)
SWU0281-T 2000 208 1 12 1/4 5 (9)
SWU0311-T 3000 120 1 29 1/4 8 (14)
SWU0321-T 3000 240 1 15 1/4 8 (14)
SWU0323-T 3000 240 3 11 1/4 8 (14)
SWU0351-T 3000 480 1 8 1/4 8 (14)
SWU0353-T 3000 480 3 5 1/4 8 (14)
SWU0363-T 3000 600 3 4 1/4 8 (14)
SWU0381-T 3000 208 1 17 1/4 8 (14)
SWU0383-T 3000 208 3 8 1/4 8 (14)
SWU0521-T 5000 240 1 23 1/4 13 (24)
SWU0523-T 5000 240 3 16 1/4 13 (24)
SWU0551-T 5000 480 1 12 1/4 13 (24)
SWU0553-T 5000 480 3 15 1/4 13 (24)
SWU0563-T 5000 600 3 8 1/4 13 (24)
SWU0581-T 5000 208 1 27 1/4 13 (24)
SWU0583-T 5000 208 3 12 1/4 13 (24)
SWU0821-T 7500 240 1 34 1/4 19 (35)
SWU0823-T 7500 240 3 21 1/4 19 (35)
SWU0851-T 7500 480 1 17 1/4 19 (35)
SWU0853-T 7500 480 3 11 1/4 19 (35)
SWU0863-T 7500 600 3 9 1/4 19 (35)
SWU0881-T 7500 208 1 39 1/4 19 (35)
SWU0883-T 7500 208 3 23 1/4 19 (35)
SWU0921-T 9000 240 1 40 1/4 11 (20)
SWU0923-T 9000 240 3 24 1/4 11 (20)
SWU0951-T 9000 480 1 20 1/4 11 (20)
SWU0953-T 9000 480 3 12 1/4 11 (20)
SWU0963-T 9000 600 3 10 1/4 11 (20)
SWU0981-T 9000 208 1 46 1/4 11 (20)
SWU0983-T 9000 208 3 28 1/4 11 (20)
SWU1021-T 10000 240 1 44 1/4 12 (22)
SWU1023-T 10000 240 3 27 1/4 12 (22)
SWU1051-T 10000 480 1 22 1/4 12 (22)
SWU1053-T 10000 480 3 14 1/4 12 (22)
SWU1063-T 10000 600 3 11 1/4 12 (22)
SWU1083-T 10000 208 3 22 1/4 12 (22)
SWU1223-T 12000 240 3 32 1/4 14 (26)
SWU1251-T 12000 480 1 27 1/4 14 (26)
SWU1253-T 12000 480 3 16 1/4 14 (26)
SWU1263-T 12000 600 3 13 1/4 14 (26)
SWU1283-T 12000 208 3 36 1/4 14 (26)
SWU1323-T 12500 240 3 33 1/4 9 (17)
SWU1353-T 12500 480 3 17 1/4 9 (17)
SWU1363-T 12500 600 3 14 1/4 9 (17)
SWU1383-T 12500 208 3 37 1/4 9 (17)
SWU1523-T 15000 240 3 39 1/4 12 (21)
SWU1553-T 15000 480 3 20 1/4 12 (21)
SWU1563-T 15000 600 3 16 1/4 12 (21)
SWU1583-T 15000 208 3 44 1/4 12 (21)
SWU2053-T 20000 480 3 26 1/4 16 (28)
SWU2063-T 20000 600 3 21 1/4 16 (28)
SWU2553-T 25000 480 3 32 1/4 19 (35)
SWU2563-T 25000 600 3 26 1/4 19 (35)
SWU3053-T 30000 480 3 38 1/4 23 (42)
SWU3063-T 30000 600 3 31 1/4 23 (42)
SWU3553-T 35000 480 3 44 1/4 27 (48)
SWU3563-T 35000 600 3 35 1/4 27 (48)
SWU3853-T 38400 480 3 48 1/4 30 (54)
SWU3863-T 38400 600 3 38 1/4 30 (54)
SWU4763-T 47000 600 3 47 1/4 36 (64)
Built-in thermostat
Code Power - watts Voltage - volts Phase - nb. Amperage - amp. Motor - hp Approx. air temperature rise - °C (°F)
SWU0211 2000 120 1 21 1/4 5 (9)
SWU0221 2000 240 1 11 1/4 5 (9)
SWU0281 2000 208 1 12 1/4 5 (9)
SWU0311 3000 120 1 29 1/4 8 (14)
SWU0321 3000 240 1 15 1/4 8 (14)
SWU0323 3000 240 3 11 1/4 8 (14)
SWU0351 3000 480 1 8 1/4 8 (14)
SWU0353 3000 480 3 5 1/4 8 (14)
SWU0363 3000 600 3 4 1/4 8 (14)
SWU0381 3000 208 1 17 1/4 8 (14)
SWU0383 3000 208 3 8 1/4 8 (14)
SWU0521 5000 240 1 23 1/4 13 (24)
SWU0523 5000 240 3 16 1/4 13 (24)
SWU0551 5000 480 1 12 1/4 13 (24)
SWU0553 5000 480 3 15 1/4 13 (24)
SWU0563 5000 600 3 8 1/4 13 (24)
SWU0581 5000 208 1 27 1/4 13 (24)
SWU0583 5000 208 3 12 1/4 13 (24)
SWU0821 7500 240 1 34 1/4 19 (35)
SWU0823 7500 240 3 21 1/4 19 (35)
SWU0851 7500 480 1 17 1/4 19 (35)
SWU0853 7500 480 3 11 1/4 19 (35)
SWU0863 7500 600 3 9 1/4 19 (35)
SWU0881 7500 208 1 39 1/4 19 (35)
SWU0883 7500 208 3 23 1/4 19 (35)
SWU0921 9000 240 1 40 1/4 11 (20)
SWU0923 9000 240 3 24 1/4 11 (20)
SWU0951 9000 480 1 20 1/4 11 (20)
SWU0953 9000 480 3 12 1/4 11 (20)
SWU0963 9000 600 3 10 1/4 11 (20)
SWU0981 9000 208 1 46 1/4 11 (20)
SWU0983 9000 208 3 28 1/4 11 (20)
SWU1021 10000 240 1 44 1/4 12 (22)
SWU1023 10000 240 3 27 1/4 12 (22)
SWU1051 10000 480 1 22 1/4 12 (22)
SWU1053 10000 480 3 14 1/4 12 (22)
SWU1063 10000 600 3 11 1/4 12 (22)
SWU1083 10000 208 3 22 1/4 12 (22)
SWU1223 12000 240 3 32 1/4 14 (26)
SWU1251 12000 480 1 27 1/4 14 (26)
SWU1253 12000 480 3 16 1/4 14 (26)
SWU1263 12000 600 3 13 1/4 14 (26)
SWU1283 12000 208 3 36 1/4 14 (26)
SWU1323 12500 240 3 33 1/4 9 (17)
SWU1353 12500 480 3 17 1/4 9 (17)
SWU1363 12500 600 3 14 1/4 9 (17)
SWU1383 12500 208 3 37 1/4 9 (17)
SWU1523 15000 240 3 39 1/4 12 (21)
SWU1553 15000 480 3 20 1/4 12 (21)
SWU1563 15000 600 3 16 1/4 12 (21)
SWU1583 15000 208 3 44 1/4 12 (21)
SWU2053 20000 480 3 26 1/4 16 (28)
SWU2063 20000 600 3 21 1/4 16 (28)
SWU2553 25000 480 3 32 1/4 19 (35)
SWU2563 25000 600 3 26 1/4 19 (35)
SWU3053 30000 480 3 38 1/4 23 (42)
SWU3063 30000 600 3 31 1/4 23 (42)
SWU3553 35000 480 3 44 1/4 27 (48)
SWU3563 35000 600 3 35 1/4 27 (48)
SWU3853 38400 480 3 48 1/4 30 (54)
SWU3863 38400 600 3 38 1/4 30 (54)
SWU4763 47000 600 3 47 1/4 36 (64)
Without control
Accessories
Code Description
SWU-B CREDIT FOR SWIVEL MOUNTING BRACKET NOT INCLUDED - UP TO 12 KW
SWU-B1 CREDIT FOR SWIVEL MOUNTING BRACKET NOT INCLUDED - OVER 12KW
SWU-D POWER DISCONNECT SWITCH FACT. INSTALLED
SWU-E MONEL FINNED TUBULAR ELEMENTS - UP TO 20 KW
SWU-E1 MONEL FINNED TUBULAR ELEMENTS - 25KW TO 47KW
SWU-L "HEATER ON" PILOT LIGHT
SWU-M SECONDARY MANUAL RESET / OVERTEMPERATURE CUTOUT
SWU-S THREE-POSITION SELECTOR SWITCH (HEATER-STANDBY-FAN)
SWU-V 120V CONTROL CIRCUIT, FUSED, SECONDARY, GROUNDED
SWUT1 WALL MOUNTED THERMOSTAT SWU CORROSION RESISTANT 4-38°C (SPDT)

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