Description
Weil McLain 512-050-230 Thermo-Fuse Rollout Safety Switch
The Weil McLain 512-050-230 is an OEM replacement thermo-fuse rollout safety switch engineered to protect Weil McLain boilers and heating equipment from the hazards of burner rollout. When abnormal combustion causes flame or excessive heat to escape the burner compartment, this thermal fuse responds by permanently opening the circuit — cutting power to the burner before temperatures can reach dangerous levels.
How It Works
This thermo-fuse is a one-time, non-resettable safety device. Once the surrounding temperature reaches its rated trip point of 228°C (442°F), the internal fusible element opens, interrupting the control circuit and shutting down the burner. The tripped fuse must be replaced before the appliance can be returned to service — serving as both a protective device and a diagnostic indicator that a rollout event has occurred.
Key Features
- OEM Weil McLain replacement part — ensures proper fit and function
- Rated trip temperature: 228°C / 442°F
- Non-resettable thermo-fuse design for reliable, one-time protection
- Protects against burner rollout and overtemperature conditions
- Interrupts the control circuit to safely shut down burner operation
- Direct replacement for Weil McLain boilers and hydronic heating systems
Application
Designed specifically for use in Weil McLain boilers and heating appliances, the 512-050-230 thermo-fuse rollout switch is a critical safety component. It should be inspected and replaced any time a rollout event is suspected or confirmed, or as part of a routine combustion safety inspection. Always investigate and correct the root cause of rollout before replacing this fuse.
Specifications
- Brand: Weil McLain
- Part Number: 512-050-230
- Type: Thermo-Fuse Rollout Safety Switch
- Trip Temperature: 228°C / 442°F
- Reset Type: Non-resettable (one-time use)
- Application: Weil McLain boilers and hydronic heating equipment
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