
Reznor 197118 Kit
The Reznor 197118 DJ20 High Altitude Kit is a critical field adjustment component for technicians servicing Reznor UDAP gas-fired unit heaters installed at elevations between 2,001 and 6,000 feet. At higher altitudes, thinner air reduces the pressure differential required to safely prove the inducer motor's draft. This OEM Reznor kit replaces the standard factory settings with a specific DJ20 pressure switch calibrated to maintain the proper sequence of operation and prevent nuisance pressure switch lockout codes. As a direct replacement part, it ensures the combustion air proving circuit accurately reflects the air density of the installation environment, preventing incomplete combustion or thermal inefficiency. For contractors, using the verified Reznor 197118 altitude conversion is necessary to maintain the heater's CSA certification and ensure reliable ignition cycles in mountainous or high-elevation regions.
Key Installation Benefits
- Precise Calibration: The Reznor 197118 utilizes a DJ20 pressure switch specifically set to compensate for lower atmospheric pressure.
- System Reliability: Eliminates "Pressure Switch Stuck Open" or "Failed to Close" fault codes common in high altitude HVAC installations.
- OEM Compatibility: Engineered as a genuine Reznor UDAP heating system accessory for seamless integration into the existing control loop.
- Performance Optimization: Ensures correct venting and combustion air intake levels for unit heaters at high elevations.
Common Questions
When is a Reznor high altitude kit required?
A Reznor high altitude pressure switch kit is generally required for Reznor UDAP units installed at elevations exceeding 2,000 feet above sea level to ensure the draft prover operates within manufacturer specifications.
Can I use a universal pressure switch instead of the 197118 kit?
Using a genuine Reznor 197118 DJ20 kit is critical for professional installs. Universal switches often lack the specific set point needed for the UDAP series, leading to safety circuit failures or inefficient burner operation.
What is the difference between the DJ20 and other altitude kits?
The DJ20 high altitude option designates the specific pressure range and set point required for certain UDAP unit heater sizes. Always verify your specific model's data plate and altitude requirements before installation.
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: $92.11
-65%$92.11
$32.24Reznor 197118 Kit
The Reznor 197118 DJ20 High Altitude Kit is a critical field adjustment component for technicians servicing Reznor UDAP gas-fired unit heaters installed at elevations between 2,001 and 6,000 feet. At higher altitudes, thinner air reduces the pressure differential required to safely prove the inducer motor's draft. This OEM Reznor kit replaces the standard factory settings with a specific DJ20 pressure switch calibrated to maintain the proper sequence of operation and prevent nuisance pressure switch lockout codes. As a direct replacement part, it ensures the combustion air proving circuit accurately reflects the air density of the installation environment, preventing incomplete combustion or thermal inefficiency. For contractors, using the verified Reznor 197118 altitude conversion is necessary to maintain the heater's CSA certification and ensure reliable ignition cycles in mountainous or high-elevation regions.
Key Installation Benefits
- Precise Calibration: The Reznor 197118 utilizes a DJ20 pressure switch specifically set to compensate for lower atmospheric pressure.
- System Reliability: Eliminates "Pressure Switch Stuck Open" or "Failed to Close" fault codes common in high altitude HVAC installations.
- OEM Compatibility: Engineered as a genuine Reznor UDAP heating system accessory for seamless integration into the existing control loop.
- Performance Optimization: Ensures correct venting and combustion air intake levels for unit heaters at high elevations.
Common Questions
When is a Reznor high altitude kit required?
A Reznor high altitude pressure switch kit is generally required for Reznor UDAP units installed at elevations exceeding 2,000 feet above sea level to ensure the draft prover operates within manufacturer specifications.
Can I use a universal pressure switch instead of the 197118 kit?
Using a genuine Reznor 197118 DJ20 kit is critical for professional installs. Universal switches often lack the specific set point needed for the UDAP series, leading to safety circuit failures or inefficient burner operation.
What is the difference between the DJ20 and other altitude kits?
The DJ20 high altitude option designates the specific pressure range and set point required for certain UDAP unit heater sizes. Always verify your specific model's data plate and altitude requirements before installation.
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.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Reznor 197118 DJ20 High Altitude Kit is a critical field adjustment component for technicians servicing Reznor UDAP gas-fired unit heaters installed at elevations between 2,001 and 6,000 feet. At higher altitudes, thinner air reduces the pressure differential required to safely prove the inducer motor's draft. This OEM Reznor kit replaces the standard factory settings with a specific DJ20 pressure switch calibrated to maintain the proper sequence of operation and prevent nuisance pressure switch lockout codes. As a direct replacement part, it ensures the combustion air proving circuit accurately reflects the air density of the installation environment, preventing incomplete combustion or thermal inefficiency. For contractors, using the verified Reznor 197118 altitude conversion is necessary to maintain the heater's CSA certification and ensure reliable ignition cycles in mountainous or high-elevation regions.
Key Installation Benefits
- Precise Calibration: The Reznor 197118 utilizes a DJ20 pressure switch specifically set to compensate for lower atmospheric pressure.
- System Reliability: Eliminates "Pressure Switch Stuck Open" or "Failed to Close" fault codes common in high altitude HVAC installations.
- OEM Compatibility: Engineered as a genuine Reznor UDAP heating system accessory for seamless integration into the existing control loop.
- Performance Optimization: Ensures correct venting and combustion air intake levels for unit heaters at high elevations.
Common Questions
When is a Reznor high altitude kit required?
A Reznor high altitude pressure switch kit is generally required for Reznor UDAP units installed at elevations exceeding 2,000 feet above sea level to ensure the draft prover operates within manufacturer specifications.
Can I use a universal pressure switch instead of the 197118 kit?
Using a genuine Reznor 197118 DJ20 kit is critical for professional installs. Universal switches often lack the specific set point needed for the UDAP series, leading to safety circuit failures or inefficient burner operation.
What is the difference between the DJ20 and other altitude kits?
The DJ20 high altitude option designates the specific pressure range and set point required for certain UDAP unit heater sizes. Always verify your specific model's data plate and altitude requirements before installation.
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.












