We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
Image not available
EMPIRESeals, Fittings & Fasteners for HVACR Equipment

EMPIRE M155 Observation Hole Gasket

EMPIRE Seals, Fittings & Fasteners for HVACR Equipment.

SKU 3G-OTH-75458

Also listed as: M 155 · M-155

Brand
EMPIRE
Item
M155 Observation Hole Gasket
Part Number
M155
Category
Seals, Fittings & Fasteners for HVACR Equipment
Available to Order
Also known as:M155EMPIRE
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

EMPIRE
Manufacturer Part Number
M155

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

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

Product Description

EMPIRE Seals, Fittings & Fasteners for HVACR Equipment.

Frequently Asked Questions

What is the EMPIRE M155 observation hole gasket used for?

The EMPIRE M155 observation hole gasket is used to seal the viewing port on HVACR equipment, preventing leaks and maintaining system pressure. It is commonly applied in industrial refrigeration, boilers, and furnace systems where a clear sight glass is required for visual inspection of flames or fluid levels.

What are the specifications of the EMPIRE M155 observation hole gasket?

The EMPIRE M155 observation hole gasket is identified by manufacturer part number M155. It is a replacement seal designed for observation holes in HVACR equipment. Exact dimensions and material composition should be verified against the original equipment; contact 3G Electric for detailed fitment guidance.

Where to buy the EMPIRE M155 observation hole gasket worldwide?

You can source the EMPIRE M155 observation hole gasket through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide reliable sourcing for this HVACR seal.

How to install the EMPIRE M155 observation hole gasket?

To install the EMPIRE M155 observation hole gasket, first ensure the viewing port surface is clean and free of debris. Place the gasket evenly around the observation hole, then secure the sight glass or cover plate with even torque on fasteners. Avoid overtightening to prevent gasket deformation. Refer to OEM guidelines for specific torque values.

Used in

Common applications for EMPIRE
Warehouse heating — EMPIRE RH65CNAT natural gas freestanding floor heater for open floor areas
Garage workshop — EMPIRE DV20ELP propane freestanding floor heater with solid-face cabinet
Retail showroom — EMPIRE RH50BNAT visual-flame natural gas heater for aesthetic appeal
Additions and sunrooms — EMPIRE RH25LP propane floor heater for supplemental heat
Heater venting retrofit — EMPIRE SOR1 siding vent kit for wall furnace exhaust
Temperature control replacement — EMPIRE GWRBT thermostat for gas wall and ceiling heaters
Not sure this is the right part? Photo-identify it

EMPIRE Products

3G Electric supplies EMPIRE seals, fittings & fasteners for hvacr equipment. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
EMPIRE
EMPIRE
Observation hole cover designed for use in HVACR systems. Provides a sealed access point for inspection or servicing of ductwork or equipment enclosures. Compatible with manufacturer part numbers DV60 and DV25
EMPIRE
EMPIRE
Knob and adapter set for use on HVACR equipment. Enables replacement or upgrade of control knobs and adapters for temperature and pressure adjustments. Provides a secure fit for commercial heating, ventilation, air conditioning, and refrigeration systems
EMPIRE
EMPIRE
Thermocouple for replacement in HVACR systems, designed to sense pilot flame temperature and enable gas valve operation. Commonly used in furnaces, boilers, and water heaters. Manufacturer part number R2256
EMPIRE
EMPIRE
This wire assembly is an accessory designed for gas floor heaters, providing the electrical connection between the heater and its power source. It supplies power and control signals to enable proper operation of the heating system in residential or commercial spaces
EMPIRE
EMPIRE
Pilot orifice for gas-fired heating equipment. Meters gas flow to the pilot burner for ignition and flame stability. Replacement component for furnaces, boilers, and unit heaters
EMPIRE
EMPIRE
The EMPIRE TH334 is a vent cap designed for use with gas floor heaters. It terminates the venting system to prevent debris and weather entry while allowing proper exhaust flow. Compatible with manufacturer part number RH35LP

More from EMPIRE

View all EMPIRE parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first