Heil Quaker ICP 1177748 Expansion Valve
Maintain peak system performance with the Heil Quaker ICP 1177748 Expansion Valve, a genuine OEM HVAC replacement part engineered for 4-ton cooling applications. As a critical metering device, this thermostatic expansion valve (TXV) precisely regulates refrigerant flow into the evaporator coil based on the cooling load. Proper modulation prevents liquid slugging and evaporator flooding, which are common causes of premature compressor failure in high-capacity residential and light commercial units. Designed specifically for R-410A refrigerant systems, the 1177748 ensures accurate superheat control, maintaining the pressure differential necessary for efficient heat exchange. This valve is a direct fit for many Heil, Tempstar, and Comfortmaker air handlers and heat pumps, eliminating the need for field modifications. When replacing a restricted or failing TXV, always ensure the sensing bulb is mounted at the correct 4 or 8 o?clock position on the suction line and properly insulated to ensure an accurate thermal signal. Utilizing an ICP 4-ton TXV kit restores the factory-specified flow rates and operational balance to the refrigeration circuit.
Key Benefits
- Precise Refrigerant Metering: Automatically adjusts the flow of R-410A to maintain optimal superheat and prevent coil icing.
- Direct OEM Compatibility: Engineered for a perfect fit in ICP, Heil, and Day & Night 4-ton equipment, reducing installation labor.
- Enhanced System Reliability: Protects the compressor from liquid floodback and ensures consistent cooling during high-ambient conditions.
- Optimized Efficiency: Maintains the specific pressure drop required to meet the unit's original SEER ratings and performance specs.
Common Questions
How do I know if this 4-ton TXV is failing?
Common indicators include high suction superheat, low suction pressure, or an iced-over evaporator coil despite a clean filter. If the valve is hunting?causing rapid pressure fluctuations?it may be oversized or the sensing bulb may have lost its charge or contact.
Does this valve work with R-22 systems?
No, the ICP 1177748 is specifically calibrated for R-410A systems. Using this valve with R-22 will result in incorrect metering and potential system damage due to the different pressure-temperature characteristics of the refrigerants.
Where should I mount the sensing bulb on the suction line?
For the standard suction line diameters found on 4-ton units, the bulb should be secured at the 4 o'clock or 8 o'clock position on a horizontal run. Never mount it at the 6 o'clock position where oil trapping can interfere with the thermal reading.
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: $169.77
-65%$169.77
$59.42Heil Quaker ICP 1177748 Expansion Valve
Maintain peak system performance with the Heil Quaker ICP 1177748 Expansion Valve, a genuine OEM HVAC replacement part engineered for 4-ton cooling applications. As a critical metering device, this thermostatic expansion valve (TXV) precisely regulates refrigerant flow into the evaporator coil based on the cooling load. Proper modulation prevents liquid slugging and evaporator flooding, which are common causes of premature compressor failure in high-capacity residential and light commercial units. Designed specifically for R-410A refrigerant systems, the 1177748 ensures accurate superheat control, maintaining the pressure differential necessary for efficient heat exchange. This valve is a direct fit for many Heil, Tempstar, and Comfortmaker air handlers and heat pumps, eliminating the need for field modifications. When replacing a restricted or failing TXV, always ensure the sensing bulb is mounted at the correct 4 or 8 o?clock position on the suction line and properly insulated to ensure an accurate thermal signal. Utilizing an ICP 4-ton TXV kit restores the factory-specified flow rates and operational balance to the refrigeration circuit.
Key Benefits
- Precise Refrigerant Metering: Automatically adjusts the flow of R-410A to maintain optimal superheat and prevent coil icing.
- Direct OEM Compatibility: Engineered for a perfect fit in ICP, Heil, and Day & Night 4-ton equipment, reducing installation labor.
- Enhanced System Reliability: Protects the compressor from liquid floodback and ensures consistent cooling during high-ambient conditions.
- Optimized Efficiency: Maintains the specific pressure drop required to meet the unit's original SEER ratings and performance specs.
Common Questions
How do I know if this 4-ton TXV is failing?
Common indicators include high suction superheat, low suction pressure, or an iced-over evaporator coil despite a clean filter. If the valve is hunting?causing rapid pressure fluctuations?it may be oversized or the sensing bulb may have lost its charge or contact.
Does this valve work with R-22 systems?
No, the ICP 1177748 is specifically calibrated for R-410A systems. Using this valve with R-22 will result in incorrect metering and potential system damage due to the different pressure-temperature characteristics of the refrigerants.
Where should I mount the sensing bulb on the suction line?
For the standard suction line diameters found on 4-ton units, the bulb should be secured at the 4 o'clock or 8 o'clock position on a horizontal run. Never mount it at the 6 o'clock position where oil trapping can interfere with the thermal reading.
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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Product Information
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Description
Maintain peak system performance with the Heil Quaker ICP 1177748 Expansion Valve, a genuine OEM HVAC replacement part engineered for 4-ton cooling applications. As a critical metering device, this thermostatic expansion valve (TXV) precisely regulates refrigerant flow into the evaporator coil based on the cooling load. Proper modulation prevents liquid slugging and evaporator flooding, which are common causes of premature compressor failure in high-capacity residential and light commercial units. Designed specifically for R-410A refrigerant systems, the 1177748 ensures accurate superheat control, maintaining the pressure differential necessary for efficient heat exchange. This valve is a direct fit for many Heil, Tempstar, and Comfortmaker air handlers and heat pumps, eliminating the need for field modifications. When replacing a restricted or failing TXV, always ensure the sensing bulb is mounted at the correct 4 or 8 o?clock position on the suction line and properly insulated to ensure an accurate thermal signal. Utilizing an ICP 4-ton TXV kit restores the factory-specified flow rates and operational balance to the refrigeration circuit.
Key Benefits
- Precise Refrigerant Metering: Automatically adjusts the flow of R-410A to maintain optimal superheat and prevent coil icing.
- Direct OEM Compatibility: Engineered for a perfect fit in ICP, Heil, and Day & Night 4-ton equipment, reducing installation labor.
- Enhanced System Reliability: Protects the compressor from liquid floodback and ensures consistent cooling during high-ambient conditions.
- Optimized Efficiency: Maintains the specific pressure drop required to meet the unit's original SEER ratings and performance specs.
Common Questions
How do I know if this 4-ton TXV is failing?
Common indicators include high suction superheat, low suction pressure, or an iced-over evaporator coil despite a clean filter. If the valve is hunting?causing rapid pressure fluctuations?it may be oversized or the sensing bulb may have lost its charge or contact.
Does this valve work with R-22 systems?
No, the ICP 1177748 is specifically calibrated for R-410A systems. Using this valve with R-22 will result in incorrect metering and potential system damage due to the different pressure-temperature characteristics of the refrigerants.
Where should I mount the sensing bulb on the suction line?
For the standard suction line diameters found on 4-ton units, the bulb should be secured at the 4 o'clock or 8 o'clock position on a horizontal run. Never mount it at the 6 o'clock position where oil trapping can interfere with the thermal reading.
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.
