Description
Coleman-Mach 37203-4551 — The AirSpace supplemental heat kit for ultra-low-profile Mach 8 rooftop systems. Coleman-Mach's 2025 manufacturer catalog specifies 6,000 BTU/h for this ultra-low-profile heat strip, unlike the 5,600 BTU/h medium/low-profile kit.
Specifications and part identification
- Manufacturer number: 37203-4551
- Heat output: 6,000 BTU/h in the 2025 Airxcel catalog
- For selected 37xxx and 47xxx ultra-low-profile installations
- Requires heat-ready ceiling assembly and suitable controls
- Condition new
Fitment and compatibility
Mach 8 ultra-low-profile rooftop models with supported interior heating controls; a shared family prefix alone does not prove a specific unit fits.
Before ordering
Earlier Shopify text gave 5,600 BTU/h and overly broad compatibility. The actual manufacturer's current listed application is narrower. Electrical repairs require safe power isolation and qualified service where applicable.
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