
The Global Standard
Playford House Heaters are the trusted solution for electric shovels and drills, guaranteeing optimal performance and durability.
70+ Years of Reliability
Installed in every Caterpillar/Bucyrus and Komatsu /P&H model.
Unyeilding Performance
Even in the most extreme weather conditions, thanks to dual enclosure protection and shock-mounted design.
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OEM Standard on all Models
-
Industry-leading 5 year warranty
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70+ years of proven performance across North America's leading mining operations
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Available in all standard voltages: 380V-575V, 50 & 60HZ
Applications

Shovels
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Drills
The Rosco Promise
1. Expertise at its best
Drawing from deep-seated knowledge in mining fleet heating, air conditioning, and filtration.
2. Technical authority
Rosco serves as both a consultant and a field agent for leading manufacturers, ensuring top-notch solutions.
3. Exclusive partnership
As the exclusive distributor and technical agent, Rosco ensures that Playford House Heaters stand unmatched in their category.



Playford Heaters - Ratings
MODEL | KW | VOLT | PHASE | BTU/HR. |
|---|---|---|---|---|
HS7.5‐480V‐SHMT | 7.5 | 480 | 3 | 25590 |
HS10‐480V‐SHMT | 10 | 480 | 3 | 34120 |
HS25‐480V‐SHMT | 25 | 480 | 3 | 85300 |
HS30‐480V‐SHMT | 30 | 480 | 3 | 102360 |
HS40‐480V‐SHMT | 40 | 480 | 3 | 136400 |
HS10‐600V‐SHMT | 10 | 600 | 3 | 34120 |
HS25‐600V‐SHMT | 25 | 600 | 3 | 85300 |
Playford Heaters - Air Output
MODEL | CFM | TEMP. RISE |
|---|---|---|
HS7.5‐480V‐SHMT | 700 | 30°F (17°C) |
HS10‐480V‐SHMT | 700 | 40°F (22°C) |
HS25‐480V‐SHMT | 2200 | 36°F (20°C) |
HS30‐480V‐SHMT | 2200 | 42°F (23°C) |
HS40‐480V‐SHMT | 2200 | 56°F (31°C) |
HS10‐600V‐SHMT | 700 | 40°F (22°C) |
HS25‐600V‐SHMT | 2200 | 36°F (20°C) |
Playford Heaters - Dimensions (Approximate)
MODEL | Height
in. (mm)
| Width
in. (mm)
| Depth
in.
(mm)
| Weight
LBS
(KG)
|
|---|---|---|---|---|
HS7.5‐480V‐SHMT | 28
(712)
| 29
(736)
| 15
(380)
| 160
(72)
|
HS10‐480V‐SHMT | 28
(712)
| 29
(736)
| 15
(380)
| 160
(72)
|
HS25‐480V‐SHMT | 31
(787)
| 29
(736)
| 27
(686)
| 246
(112)
|
HS30‐480V‐SHMT | 31
(787)
| 29
(736)
| 27
(686)
| 254
(115)
|
HS40‐480V‐SHMT | 31
(787)
| 29
(736)
| 27
(686)
| 260
(118)
|
HS10‐600V‐SHMT | 28
(712)
| 29
(736)
| 15
(380)
| 160
(72)
|
HS25‐600V‐SHMT | 31
(787)
| 29
(736)
| 27
(686)
| 246
(112)
|
Reliable & Robust
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Heaters: NEMA 1 Rated
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Control Boxes: NEMA 4-12 / IP 65 Rated
Options
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Voltage available: 380, 480 and 600 volts (380V details upon request)
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Integrated thermostat
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Wall or ceiling mounting bracket (according to the model)
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Shockmount model available with separate control panel


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