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Honeywell HV190 Auto Air Vent for Hot Water or Steam

SKU: 373388

We are Sorry we no longer carry this item.

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About the Honeywell HV190

Honeywell HV190 is a Auto Hygrovent Air Vent, for hot water or steam. Additional specs; 125 Psi Max Water, 10 Psi Max Steam, 240F Max Temperature.

Product Details

Manufacturer: Honeywell
Type: Diverter Valve
Mpn # HV190
Weight 1.50 lbs.


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Questions & Answers


Good day! Thank you for your interest in our Honeywell HV190 air vent. Please read pages 3 to 4 of this manual for installation and set-up instructions. Unfortunately, this product has been discontinued. Updating information on is an ongoing process. If you're considering other brands, the Watts FV-4M1 automatic air vent valve is a good option to look at. To know more about its specs and installation instructions, please read this Product Manual. This manual shows you two types of installation. Figure 1 shows how to vent air while the fluid is circulating in the system and Figure 2 shows how to vent air while the system is shut off. Figure 4 shows the most crucial step and that is to loosen the vent cap two turns to allow air to be vented from the system. To order the Watts FV-4M1 air vent, simply click on the link to go to its product page, hit on Add to Cart, and enter your information in the required fields. Happy shopping at!