Ranco J10-821 wall-mount humidistat regulates relative humidity in residential and light commercial HVAC systems by cycling humidifying equipment. Features a responsive woven nylon sensing element, 20–80% RH control range with 5% differential, and SPST switch rated 125/250 VAC. Multi-volt compatible (24V–60V AC); non-conductive plastic frame eliminates grounding requirement. UL/CSA approved.
Ranco J10-821 Multi-Volt Humidistat 20-80% RH
Robertshaw
$36.95
In Stock
- OEM / cross-reference
- SK0-0055-001, H8908DSPST
- Replaces
- SK0-0055-001, H8908DSPST
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Robertshaw
Ranco J10-821 Multi-Volt Humidistat 20-80% RH
- SKU:
- J10-821
- Product Type:
- Humidistat
- Subcategory:
- Humidity Control
- Application:
- Residential/Commercial
- System Type:
- Furnace, Air Handler, Humidifier
- Installation Type:
- OEM Replacement
- Voltage:
- 24-60V AC, 125-250V AC
- Voltage Class:
- Line Voltage
- Phase:
- Single Phase
- Mounting Type:
- Wall Mount, Duct Mount
- Temperature Range:
- 0°C to 60°C (switch head operating); -30°C to 65.6°C (shipping)
- Setpoint Range:
- 20–80% RH
- Material:
- Thermoplastic (Flame Class 94V-0)
- Control Type:
- Non-Programmable
- Switch Action:
- SPST
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