Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
Dayton Hydronic Unit Heater Diffuser: Downflow Radial Discharge Diffuser, 5PV54/5PV55 - Diffusers for Hydronic Wall & Ceiling Unit Heaters
DaytonDiffusers for Hydronic Wall & Ceiling Unit Heaters

Dayton Hydronic Unit Heater Diffuser: Downflow Radial Discharge Diffuser, 5PV54/5PV55

The DAYTON Hydronic Unit Heater Diffuser (MPN 5PV75) is a downflow radial discharge diffuser made of steel in a gray finish. It measures 21-1/16 in x 16-3/4 in x 9-3/4 in (H x W x D) and is compatible with Grainger…

SKU 3G-OTH-65262

Brand
Dayton
Item
Hydronic Unit Heater Diffuser: Downflow Radial Discharge Diffuser, 5PV54/5PV55
Category
Diffusers for Hydronic Wall & Ceiling Unit Heaters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Dayton
Manufacturer Part Number
5PV75
Type
5PV54/5PV55, Steel, Gray
Material
Steel
Color
Gray
Overall Dimensions - H x W x D
21-1/16 in x 16-3/4 in x 9-3/4 in
Compatible Grainger Part Number
5PV54
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DAYTON Hydronic Unit Heater Diffuser (MPN 5PV75) is a downflow radial discharge diffuser made of steel in a gray finish. It measures 21-1/16 in x 16-3/4 in x 9-3/4 in (H x W x D) and is compatible with Grainger Part Number 5PV54. This diffuser is designed for use with hydronic wall and ceiling unit heaters.

Frequently Asked Questions

What is the DAYTON 5PV75 hydronic unit heater diffuser used for?

The DAYTON 5PV75 is a downflow radial discharge diffuser designed to direct heated air from hydronic wall and ceiling unit heaters into a space. It is made of steel with a gray finish and measures 21-1/16 in x 16-3/4 in x 9-3/4 in, ensuring efficient air distribution in industrial or commercial heating applications.

What are the specifications of the DAYTON 5PV75 diffuser?

The DAYTON 5PV75 diffuser is made of steel in a gray color. Its overall dimensions are 21-1/16 in x 16-3/4 in x 9-3/4 in (H x W x D). It is compatible with Grainger Part Number 5PV54 and is designed for use with hydronic wall and ceiling unit heaters, providing downflow radial discharge.

Where to buy the DAYTON 5PV75 diffuser worldwide?

3G Electric supplies the DAYTON 5PV75 diffuser worldwide, handling logistics, customs, and delivery to your location. As a global industrial solutions provider, we source and deliver this steel gray diffuser, compatible with 5PV54, for hydronic unit heater applications. Contact us for availability and lead time.

How to install the DAYTON 5PV75 diffuser on a hydronic unit heater?

To install the DAYTON 5PV75 diffuser, first ensure the hydronic unit heater is off and cool. Align the diffuser with the heater's discharge opening, secure it using the provided mounting hardware, and verify a tight seal to prevent air leaks. Follow the manufacturer's instructions for your specific heater model to ensure proper downflow radial discharge.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton Products

3G Electric supplies Dayton diffusers for hydronic wall & ceiling unit heaters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
DAYTON Hydronic Wall and Ceiling Unit Heater: Steam/Water, 431,100 BtuH Output @ 200 F Water (MPN 5PV65). Key specifications — Air Flow: 9.450 cfm; Brand: DAYTON; Connection Size, Connection Type: 2-1/2 in, Threaded Male NPT; Fan Guard Type: No Guard; Heating Method: Water; Overall Dimensions - H x W x D: 20-3/4 in x 42 in x 42 in.
Dayton
DAYTON Hydronic Wall and Ceiling Unit Heater: Steam/Water, 431,100 BtuH Output @ 200 F Water (MPN 5PV65). Key specifications — Air Flow: 9.450 cfm; Brand: DAYTON; Connection Size, Connection Type: 2-1/2 in, Threaded Male NPT; Fan Guard Type: No Guard; Heating Method: Water; Overall Dimensions - H x W x D: 20-3/4 in x 42 in x 42 in.
DAYTON Hydronic Wall and Ceiling Unit Heater: Steam/Water, 519,400 BtuH Output @ 200 F Water (MPN 5PV67). Key specifications — Air Flow: 11,000 cfm; Brand: DAYTON; Connection Size, Connection Type: 2-1/2 in, Threaded Male NPT; Fan Guard Type: No Guard; Heating Method: Water; Overall Dimensions - H x W x D: 24-1/4 in x 42 in x 42 in.
Dayton
DAYTON Hydronic Wall and Ceiling Unit Heater: Steam/Water, 519,400 BtuH Output @ 200 F Water (MPN 5PV67). Key specifications — Air Flow: 11,000 cfm; Brand: DAYTON; Connection Size, Connection Type: 2-1/2 in, Threaded Male NPT; Fan Guard Type: No Guard; Heating Method: Water; Overall Dimensions - H x W x D: 24-1/4 in x 42 in x 42 in.
DAYTON Hydronic Wall and Ceiling Unit Heater: Steam/Water, 261,300 BtuH Output @ 200 F Water (MPN 5PV45). Key specifications — Air Flow: 5,500 cfm; Brand: DAYTON; Connection Size, Connection Type: 2 in, Threaded Female NPT; Fan Guard Type: Standard Guard; Heating Method: Steam; Overall Dimensions - H x W x D: 37-3/4 in x 33-3/8 in x 18-5/8 in.
Dayton
DAYTON Hydronic Wall and Ceiling Unit Heater: Steam/Water, 261,300 BtuH Output @ 200 F Water (MPN 5PV45). Key specifications — Air Flow: 5,500 cfm; Brand: DAYTON; Connection Size, Connection Type: 2 in, Threaded Female NPT; Fan Guard Type: Standard Guard; Heating Method: Steam; Overall Dimensions - H x W x D: 37-3/4 in x 33-3/8 in x 18-5/8 in.
DAYTON Hydronic Wall and Ceiling Unit Heater: Steam/Water, 368,100 BtuH Output @ 200 F Water (MPN 5PV64). Key specifications — Air Flow: 8,020 cfm; Brand: DAYTON; Connection Size, Connection Type: 2-1/2 in, Threaded Male NPT; Fan Guard Type: No Guard; Heating Method: Water; Overall Dimensions - H x W x D: 17-1/4 in x 42 in x 42 in.
Dayton
DAYTON Hydronic Wall and Ceiling Unit Heater: Steam/Water, 368,100 BtuH Output @ 200 F Water (MPN 5PV64). Key specifications — Air Flow: 8,020 cfm; Brand: DAYTON; Connection Size, Connection Type: 2-1/2 in, Threaded Male NPT; Fan Guard Type: No Guard; Heating Method: Water; Overall Dimensions - H x W x D: 17-1/4 in x 42 in x 42 in.
DAYTON Hydronic Wall and Ceiling Unit Heater: Steam/Water, 83,700 BtuH Output @ 200 F Water (MPN 5PV55). Key specifications — Air Flow: 1.790 cfm; Brand: DAYTON; Connection Size, Connection Type: 1-1/2 in, Threaded Male NPT; Fan Guard Type: No Guard; Heating Method: Steam; Overall Dimensions - H x W x D: 12-3/4 in x 25-1/4 in x 25-1/4 in.
Dayton
DAYTON Hydronic Wall and Ceiling Unit Heater: Steam/Water, 83,700 BtuH Output @ 200 F Water (MPN 5PV55). Key specifications — Air Flow: 1.790 cfm; Brand: DAYTON; Connection Size, Connection Type: 1-1/2 in, Threaded Male NPT; Fan Guard Type: No Guard; Heating Method: Steam; Overall Dimensions - H x W x D: 12-3/4 in x 25-1/4 in x 25-1/4 in.
DAYTON Hydronic Wall and Ceiling Unit Heater: Steam/Water, 69,700 BtuH Output @ 200 F Water (MPN 5PV53). Key specifications — Air Flow: 1.400 cfm; Brand: DAYTON; Connection Size, Connection Type: 1-1/2 in, Threaded Female NPT; Fan Guard Type: OSHA Compliant Guard; Heating Method: Water; Overall Dimensions - H x W x D: 24 in x 19-5/8 in x 13-13/16 in.
Dayton
DAYTON Hydronic Wall and Ceiling Unit Heater: Steam/Water, 69,700 BtuH Output @ 200 F Water (MPN 5PV53). Key specifications — Air Flow: 1.400 cfm; Brand: DAYTON; Connection Size, Connection Type: 1-1/2 in, Threaded Female NPT; Fan Guard Type: OSHA Compliant Guard; Heating Method: Water; Overall Dimensions - H x W x D: 24 in x 19-5/8 in x 13-13/16 in.

More from Dayton

View all Dayton parts →
DAYTON Hydronic Unit Heater Diffuser: Downflow Radial Discharge Diffuser, 5PV63, Steel, Gray (MPN 5PV78). Key specifications — Brand: DAYTON; Material: Steel; Color: Gray; Overall Dimensions - H x W x D: 14-5/16 in x 11-1/4 in x 6-7/16 in; Compatible Grainger Part Number: 5PV63.
Dayton
DAYTON Hydronic Unit Heater Diffuser: Downflow Radial Discharge Diffuser, 5PV63, Steel, Gray (MPN 5PV78). Key specifications — Brand: DAYTON; Material: Steel; Color: Gray; Overall Dimensions - H x W x D: 14-5/16 in x 11-1/4 in x 6-7/16 in; Compatible Grainger Part Number: 5PV63.
DAYTON Hydronic Unit Heater Diffuser: Downflow Radial Discharge Diffuser, 5PV59/5PV60/5PV61/5PV62 (MPN 5PV77). Key specifications — Brand: DAYTON; Material: Steel; Color: Gray; Overall Dimensions - H x W x D: 31-1/2 in x 25-1/4 in x 13-13/16 in; Compatible Grainger Part Number: 5PV59.
Dayton
DAYTON Hydronic Unit Heater Diffuser: Downflow Radial Discharge Diffuser, 5PV59/5PV60/5PV61/5PV62 (MPN 5PV77). Key specifications — Brand: DAYTON; Material: Steel; Color: Gray; Overall Dimensions - H x W x D: 31-1/2 in x 25-1/4 in x 13-13/16 in; Compatible Grainger Part Number: 5PV59.
DAYTON Hydronic Unit Heater Diffuser: Downflow Radial Discharge Diffuser (MPN 5PV76). Key specifications — Brand: DAYTON; Material: Steel; Color: Gray; Overall Dimensions - H x W x D: 24-3/4 in x 19-3/4 in x 11-9/16 in; Compatible Grainger Part Number: 5PV56.
Dayton
DAYTON Hydronic Unit Heater Diffuser: Downflow Radial Discharge Diffuser (MPN 5PV76). Key specifications — Brand: DAYTON; Material: Steel; Color: Gray; Overall Dimensions - H x W x D: 24-3/4 in x 19-3/4 in x 11-9/16 in; Compatible Grainger Part Number: 5PV56.
DAYTON Hydronic Unit Heater Diffuser: Downflow Radial Discharge Diffuser, 5PV64/5PV65/5PV67, Steel (MPN 5PV79). Key specifications — Brand: DAYTON; Material: Steel; Color: Gray; Overall Dimensions - H x W x D: 37-1/4 in x 30 in x 17 in; Compatible Grainger Part Number: 5PV64.
Dayton
DAYTON Hydronic Unit Heater Diffuser: Downflow Radial Discharge Diffuser, 5PV64/5PV65/5PV67, Steel (MPN 5PV79). Key specifications — Brand: DAYTON; Material: Steel; Color: Gray; Overall Dimensions - H x W x D: 37-1/4 in x 30 in x 17 in; Compatible Grainger Part Number: 5PV64.
DAYTON Hydronic Unit Heater Diffuser: Downflow Radial Discharge Diffuser, 5PV66/5PV68, Steel, Gray (MPN 5PV80). Key specifications — Brand: DAYTON; Material: Steel; Color: Gray; Overall Dimensions - H x W x D: 17-1/16 in x 13-1/2 in x 8 in; Compatible Grainger Part Number: 5PV68.
Dayton
DAYTON Hydronic Unit Heater Diffuser: Downflow Radial Discharge Diffuser, 5PV66/5PV68, Steel, Gray (MPN 5PV80). Key specifications — Brand: DAYTON; Material: Steel; Color: Gray; Overall Dimensions - H x W x D: 17-1/16 in x 13-1/2 in x 8 in; Compatible Grainger Part Number: 5PV68.