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The APOLLO VALVES MS-RH/KA/P/A/T is a key-operated remote alarm horn designed for use with air products and controls conventional duct smoke detectors. It provides both audible and visual indication, along with remote test/reset functions. Constructed of brushed stainless steel, it mounts on a standard single or double gang electrical backbox. It is UL 268 listed.
- Provides audible and visual indication as well as remote test/reset functions
- Constructed of durable brushed stainless steel
- Mounts on a standard single or double gang electrical backbox
Product Highlights
Remote alarm horn for air products and controls duct smoke detectors. Features a red alarm and yellow fault status indicator.
Product Information
Standard Information
- Brand: APOLLO VALVES
- Manufacturer Part Number: MS-RH/KA/P/A/T
Features:
- Manual reset
- UL recognized
- CSA approved
- Uses 36T electrical ratings
Compatibility & Applications:
- Listed for Carrier HVAC equipment (model-specific compatibility is not provided in the listing details)
- Must only be used where the manufacturer specifies this exact part number: LH680534 (confirm by the unit's model/serial and the applicable service/parts documentation)
User Reviews & Q&A Summary:
- Reviews commonly describe:
- - Perfect/OEM fit and being the correct replacement part
- - Easy installation for those performing the repair
- - Keeping a spare flame sensor (and often an ignitor) on hand for quicker winter repairs (review-reported)
- - Positive feedback on shipping speed, packaging, and overall purchase experience
Maintenance & Troubleshooting:
- The provided sources do not include formal diagnostic procedures for this flame sensor
- Reviews reflect replacement as a practical service repair (OEM part swap), with users reporting successful replacement experiences and restored confidence in having the correct part on hand
Certifications & Compliance:
- Meets ARI 780/790 Standard
User Reviews & Q&A Summary:
- Common theme is "correct part" for the intended replacement, with users reporting it worked as expected after installation
- Review feedback frequently mentions straightforward installation for a direct replacement
- Value and fulfillment are recurring positives (good deal/price and fast shipping)
Product Highlights
Specs
| Color: | Gray |
|---|---|
| Height: | 3-7/8" |
| Width: | 4-1/8" |
| Depth (Inches): | 1-1/4" |
| Mount: | Mounts on Return Duct |
| Used With: | THM5320R1000 TH6320R1004 TH5320R1002 |
| Operating Temp Range: | 0°-200°F |
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Motors & Blowers
Thermostats
Breakers
Pilot & Ignitors

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