Resideo 50027910-001 Pressure Switch
The Resideo 50027910-001 Pressure Switch is a high-precision differential pressure switch engineered for air movement verification in HVAC and humidification systems. Designed as a direct replacement component for Honeywell TrueSTEAM models, including the HM506, HM509, and HM512, this switch ensures critical airflow is confirmed before the steam humidifier engages. For pros in the field, this means protecting the heat exchanger and ductwork from moisture saturation by proving the blower is actively moving air across the steam humidifier dispersion tube. The mechanical setpoint is factory-calibrated to trigger contacts at 0.04 in. W.C., providing reliable detection of even marginal pressure differentials. This duct mount or remote mount kit includes 10 feet of 1/4" O.D. tubing, two rubber grommets, and terminal adaptors to streamline integration into existing 24VAC control circuits. Its rugged construction maintains accuracy across a broad temperature range of -40°F to 190°F, making it a dependable choice for demanding HVAC airflow sensing applications.
Key Benefits- Precise Airflow Proving: Factory-set to 0.04" W.C. to ensure the humidifier only operates when sufficient duct pressure is detected.
- Universal Compatibility: Specifically designed for Honeywell Home and Resideo TrueSTEAM humidification units.
- Flexible Mounting: Can be installed directly on the duct or remotely mounted up to 20 feet away using the included 1/4" O.D. tubing.
- Industrial-Grade Build: Wide operating temperature range allows for installation in unconditioned attic or crawlspace environments without performance drift.
- Complete Installation Kit: Ships with all necessary tube fitting elbows, rubber grommets, and sheet metal screws for immediate field replacement.
How do I ensure the pressure switch triggers correctly?
The diaphragm must be positioned in a vertical mounting orientation with the pressure connectors facing downward to maintain the 0.04" W.C. calibration and prevent moisture accumulation in the sensing lines.
Can I use this for non-steam humidifier applications?
Yes, as an airflow switch, it is effective for filter monitoring or proving fan operation in various 24VAC IAQ equipment setups, provided the pressure differential falls within its sensing range.
What is the maximum electrical rating for the contacts?
The internal switch is rated for 5 amps resistive at 24VAC, making it compatible with standard HVAC control transformers and TrueSTEAM wiring harnesses.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $84.72
-65%$84.72
$29.65Resideo 50027910-001 Pressure Switch
The Resideo 50027910-001 Pressure Switch is a high-precision differential pressure switch engineered for air movement verification in HVAC and humidification systems. Designed as a direct replacement component for Honeywell TrueSTEAM models, including the HM506, HM509, and HM512, this switch ensures critical airflow is confirmed before the steam humidifier engages. For pros in the field, this means protecting the heat exchanger and ductwork from moisture saturation by proving the blower is actively moving air across the steam humidifier dispersion tube. The mechanical setpoint is factory-calibrated to trigger contacts at 0.04 in. W.C., providing reliable detection of even marginal pressure differentials. This duct mount or remote mount kit includes 10 feet of 1/4" O.D. tubing, two rubber grommets, and terminal adaptors to streamline integration into existing 24VAC control circuits. Its rugged construction maintains accuracy across a broad temperature range of -40°F to 190°F, making it a dependable choice for demanding HVAC airflow sensing applications.
Key Benefits- Precise Airflow Proving: Factory-set to 0.04" W.C. to ensure the humidifier only operates when sufficient duct pressure is detected.
- Universal Compatibility: Specifically designed for Honeywell Home and Resideo TrueSTEAM humidification units.
- Flexible Mounting: Can be installed directly on the duct or remotely mounted up to 20 feet away using the included 1/4" O.D. tubing.
- Industrial-Grade Build: Wide operating temperature range allows for installation in unconditioned attic or crawlspace environments without performance drift.
- Complete Installation Kit: Ships with all necessary tube fitting elbows, rubber grommets, and sheet metal screws for immediate field replacement.
How do I ensure the pressure switch triggers correctly?
The diaphragm must be positioned in a vertical mounting orientation with the pressure connectors facing downward to maintain the 0.04" W.C. calibration and prevent moisture accumulation in the sensing lines.
Can I use this for non-steam humidifier applications?
Yes, as an airflow switch, it is effective for filter monitoring or proving fan operation in various 24VAC IAQ equipment setups, provided the pressure differential falls within its sensing range.
What is the maximum electrical rating for the contacts?
The internal switch is rated for 5 amps resistive at 24VAC, making it compatible with standard HVAC control transformers and TrueSTEAM wiring harnesses.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
The Resideo 50027910-001 Pressure Switch is a high-precision differential pressure switch engineered for air movement verification in HVAC and humidification systems. Designed as a direct replacement component for Honeywell TrueSTEAM models, including the HM506, HM509, and HM512, this switch ensures critical airflow is confirmed before the steam humidifier engages. For pros in the field, this means protecting the heat exchanger and ductwork from moisture saturation by proving the blower is actively moving air across the steam humidifier dispersion tube. The mechanical setpoint is factory-calibrated to trigger contacts at 0.04 in. W.C., providing reliable detection of even marginal pressure differentials. This duct mount or remote mount kit includes 10 feet of 1/4" O.D. tubing, two rubber grommets, and terminal adaptors to streamline integration into existing 24VAC control circuits. Its rugged construction maintains accuracy across a broad temperature range of -40°F to 190°F, making it a dependable choice for demanding HVAC airflow sensing applications.
Key Benefits- Precise Airflow Proving: Factory-set to 0.04" W.C. to ensure the humidifier only operates when sufficient duct pressure is detected.
- Universal Compatibility: Specifically designed for Honeywell Home and Resideo TrueSTEAM humidification units.
- Flexible Mounting: Can be installed directly on the duct or remotely mounted up to 20 feet away using the included 1/4" O.D. tubing.
- Industrial-Grade Build: Wide operating temperature range allows for installation in unconditioned attic or crawlspace environments without performance drift.
- Complete Installation Kit: Ships with all necessary tube fitting elbows, rubber grommets, and sheet metal screws for immediate field replacement.
How do I ensure the pressure switch triggers correctly?
The diaphragm must be positioned in a vertical mounting orientation with the pressure connectors facing downward to maintain the 0.04" W.C. calibration and prevent moisture accumulation in the sensing lines.
Can I use this for non-steam humidifier applications?
Yes, as an airflow switch, it is effective for filter monitoring or proving fan operation in various 24VAC IAQ equipment setups, provided the pressure differential falls within its sensing range.
What is the maximum electrical rating for the contacts?
The internal switch is rated for 5 amps resistive at 24VAC, making it compatible with standard HVAC control transformers and TrueSTEAM wiring harnesses.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
