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header-product Pressure regulator Honeywell D04FM-1/2A 1/2" inlet/outlet, model D04FM-1/2A
37.49 €

Pressure regulator Honeywell D04FM-1/2A 1/2" inlet/outlet, model D04FM-1/2A

Pressure regulator Honeywell D04FM-1/2A Photo 1
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Pressure regulator Honeywell D04FM-1/2A 1/2" inlet/outlet, model D04FM-1/2A

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Pressure regulator Honeywell D04FM-1/2A 1/2" inlet/outlet, model D04FM-1/2A

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Short description

Honeywell D04FM-1/2A is a 1/2" pressure regulator designed to control and stabilize fluid or gas pressure in pipelines and installations. The unit provides adjustable pressure regulation, compact in-line mounting with 1/2" connections, and is suitable for HVAC, industrial and commercial applications where reliable pressure control is required. Use for maintaining set downstream pressure and protecting equipment.
Available for order: 94 pcs.
Warranty: 2 Years
SKU: 10457681
free shipment

Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

Venipak Pickup LV

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
16.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
21.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
21.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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Payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay
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Product information

Description

Honeywell D04FM-1/2A is a 1/2" pressure regulator designed to control and stabilize fluid or gas pressure in pipelines and installations. The compact in-line unit provides adjustable downstream pressure for HVAC, industrial and commercial systems, allowing reliable maintenance of set pressure and protection of downstream equipment. The regulator features 1/2" inlet and outlet connections and a straightforward mechanical adjustment mechanism suitable for integration into existing piping.

Advantages

The pressure regulator offers precise downstream pressure control with a compact footprint for in-line mounting. Its mechanical adjustment provides reliable performance without complex electronics, and the robust construction ensures durability in demanding environments. The 1/2" connections allow compatibility with common piping sizes while the design minimizes pressure fluctuation and reduces the risk of damage to sensitive components downstream.

Suitable for

  • HVAC systems requiring stable supply or control pressures
  • Industrial process lines where consistent downstream pressure is needed
  • Commercial plumbing and gas installations with 1/2" pipework
  • Applications protecting pumps, valves and downstream instruments from overpressure

Key specifications

  • Connection size: 1/2" inlet and outlet suitable for standard pipe fittings
  • Type: mechanical pressure regulator for gas or liquid media
  • Mounting: in-line compact housing for direct pipeline installation
  • Adjustment: manual adjustable setpoint for downstream pressure
  • Construction: durable materials intended for industrial and commercial use

How to use

Install the regulator in the pipeline with correct flow direction, ensuring tight and compatible 1/2" connections. Set the desired downstream pressure using the manual adjustment mechanism while monitoring the system pressure with an appropriate gauge. Carry out initial adjustments slowly and verify stability under normal operating conditions. Periodically inspect the regulator and connections for leaks or wear and perform maintenance according to system requirements.

Usage recommendations

Use the regulator within the pressure and temperature limits of the system media, and ensure compatibility of materials with the fluid or gas in the line. Install a pressure gauge downstream for accurate adjustment and consider upstream filtration to prevent contamination. For safety, isolate and depressurize the line before performing maintenance or replacement.

Description

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Customer reviews

Customer questions

FAQ

How much does the Pressure regulator Honeywell D04FM-1/2A cost, and is it available for purchase?

The price is 37.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 94 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Honeywell products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Honeywell service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
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Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.