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Honeywell V88A1691 1 1/2 Inch 24V Gas Valve 1 # Max.

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Special Price $549.58 Regular Price $610.03
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SKU
V88A1691

The Honeywell V88A1691 is a 1.5-inch 24-volt accordion gas valve used to control gas flow in a variety of heating systems, including furnaces and boilers. It operates as a usually closed valve, which means that when a 24-volt signal is delivered to its coil, it opens. Otherwise, it stays closed. This makes it possible for the heating system to operate in a safe and controlled manner. A flexible membrane is used by the diaphragm mechanism to open and close the valve in response to an electrical current. The 1.5-inch dimension of this Honeywell valve makes it especially appropriate for medium- to large-scale applications, providing enough gas flow for larger heating systems. It is easily integrated with the majority of current heating systems due to its compatibility with the common 24-volt power supply.

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HVAC Furnace Gas Valve Parts, HVAC Controls
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PRODUCT OVERVIEW:
The gas valve regulates fuel delivery within heating equipment that depends on controlled gas flow. The Honeywell V88A1691 1 1/2" Gas Valve 24V is an OEM component engineered to control the flow of natural, LP, or manufactured gases. This solenoid-operated diaphragm valve acts as a mechanical safety barrier, shutting off fuel flow to the burner circuit instantly during a system shutdown or power failure.

DIAPHRAGM VALVE OPERATION:
The valve alters its mechanical seat position using a solenoid operator responding to a 24V electrical signal. When energized, the solenoid vents internal gas pressure to smoothly lift the main diaphragm for safe, controlled ignition. When de-energized, weight and spring tension drive the diaphragm down to instantly seal the orifice and stop gas flow.

REPLACEMENT GUIDELINES:
Replace part number V88A1691 when the system experiences a ruptured internal diaphragm, an electrical short within the solenoid coil, or mechanical binding that prevents the valve from seating properly.

COMMON FAILURE SYMPTOMS:

  • Failure to open when receiving a 24V demand signal.
  • Sluggish closing times that delay fuel shutoff.
  • External gas leakage around the valve body connections.
  • Burned-out solenoid coils showing no electrical continuity.

EQUIPMENT COMPATIBILITY:
Compatible with commercial gas-fired boilers, furnaces, and process equipment using Natural Gas, LP (propane), or Manufactured Gas requiring a 1-1/2" straight-through valve configuration. Confirm the specified component using the equipment documentation before choosing a replacement.

TECHNICAL SPECIFICATIONS:
Product Identification:
Brand: Honeywell
Part Number: V88A1691
Product Type: Diaphragm Gas Valve
Physical Specifications:
Connection Size: 1 1/2"
Flow Configuration: Straight Through
Leadwire Length: 6"
Pilot Tapping: 1/8"-27 NPT
Bleed Tapping: 1/8"-27 NPT
Mounting Orientation: Upright Horizontal
Material Details:
Body Material: Aluminum
Operating Conditions:
Maximum Operating Pressure: 1 PSI
Flow Capacity: 2400 CFH
Operating Temperature Range: 32-125 Degree
Compatible Media: Natural Gas, LP, and Manufactured Gas
Valve Operation & Control:
Valve Opening Timing: 5 Second Maximum
Valve Closing Timing: 2 Second Maximum
Electrical Specifications:
Control Voltage: 24Vac

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Product Questions (5)
Customer Questions
How to install an expansion valve for refrigeration?

Thermostatic expansion valves are an integral part of your refrigeration unit. They are responsible for ensuring the right dosage of refrigerant is entering the cooling coil to ensure maximum efficiency in the air conditioning of the system.    These special expansion valves come with a temperature sensor that is mounted at the end of the evaporator coil. They incorporate signals from this sensor to maintain the required temperature of the HVAC system. The thermostatic expansion valve works like a precision device that can regulate the measurements of the liquid refrigerant that flows into the evaporator of your system. This regulation in the flow of the refrigerant is essential to prevent the reverse flow of the refrigerant into the compressor of your system.    Through this mechanism, the thermostatic expansion valve successfully separates the high and low pressure sides of the refrigeration/air conditioning system. The liquid refrigerant enters the expansion ...

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What types of gas can the Honeywell V88A1691 handle?

This valve controls natural gas, liquefied petroleum (LP/propane), and manufactured gases.

What is the electrical control requirement for this valve?

The valve operates strictly on a 24V AC electrical control circuit.

How does the valve respond during a building power failure?

The valve is normally closed and automatically drops shut to cut off gas flow safely if power is lost.

Which details should be compared when choosing a replacement gas valve?

Compare the equipment’s required part, connection size, control voltage, gas type, and operating-pressure specifications.