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Jarvis

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Hi there, I'm Jarvis! I see you're looking at the Infrared Quartz Heat Bulb | Jacketed Heat Lamp | 300W 220mm R7 | CC536. How can I help you with the technical specs or suitability for your business today?

Jarvis is an AI assistant and may occasionally provide incorrect details. To ensure your equipment fits and functions perfectly, we recommend verifying all critical specifications-including dimensions, power requirements, and compatibility-with our expert sales team prior to purchase.For orders or stock, call 0333 355 0535

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Oxford Hardware In Stock

Infrared Quartz Heat Bulb | Jacketed Heat Lamp | 300W 220mm R7 | CC536

SKU: CC536
£47.25 / exc vat
£56.70/ inc vat
  • 300W Power Output
  • Jacketed Safety Design
  • Long 5000-Hour Lifespan
  • R7 Push-In Fitting

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Features Overview Specifications Case Study Reviews Installation Buying Guide FAQ

Product Overview

Here we have the essential bit of kit that keeps your hot food, well, hot! This isn't just any old bulb; it's a high-performance 300W infrared quartz heat bulb, specifically designed for the demanding environment of a commercial kitchen. It's the unsung hero of the carvery, the buffet line, and  the takeaway pass, delivering consistent, reliable warmth exactly where you need it.

This replacement bulb is perfect for any restaurant, pub, hotel, or caterer currently using a heat gantry or pass-through warmer with an R7 fitting. Featuring a clever jacketed design for enhanced food safety and  a simple push-in fit, it’s built for both performance and  practicality. With a fantastic 5000-hour lifespan, it’s a smart choice for any busy food business looking to minimise fuss and  maximise uptime.

If you're tired of replacing bulbs that don't last or want the extra peace of mind that a shatter-resistant design brings, this is the upgrade your kitchen deserves. It’s a small component that makes a massive difference to your service, ensuring every plate that leaves the pass is as hot and  appealing as the chef intended. This is the reliable workhorse you’ve been looking for.

Key Features and  Benefits

  • 300W Power Output: Delivers strong, consistent heat to keep food perfectly warm.
  • Jacketed Safety Design: Prevents bulb shatter over food for ultimate safety and  compliance.
  • Long 5000-Hour Lifespan: Means you'll be replacing bulbs far less often, saving time.
  • R7 Push-In Fitting: Makes replacement incredibly quick and  simple with no tricky tools.
  • Quartz Element: Heats up almost instantly, so there's no waiting around.
  • 220mm Standard Length: Fits a wide range of popular commercial heat lamp units.
  • Infrared Technology: Heats food directly without drying it out, preserving quality.
  • Reliable Oxford Hardware Brand: A trusted name for durable and  dependable kitchen components.

Technical Specifications

  • Brand: Oxford Hardware
  • SKU: CC536
  • Type: Jacketed Heat Lamp
  • Power: 300W
  • Dimensions: 220(L) x 20(Ø) mm
  • Fitting: R7 Push-in
  • Lifespan: Approx. 5000 hours
  • Weight: 0.11kg

Expert Review and  Insights

You don't often think about heat lamp bulbs until one fails mid-service. This Oxford Hardware model is a solid choice because it tackles the two biggest headaches: lifespan and  safety. The jacketed feature is a brilliant, simple solution that every Environmental Health Officer loves to see. It’s a fit-and-forget component that just works.

Oliver Bennett – Catering Equipment Expert View Profile →

  • Practical Safety: The shatter-resistant jacket is a massive plus for any open-food environment.
  • Check Your Fit: It's an R7 fitting, so be sure it matches your existing lamp unit.

Case Study: Real Business, Real Results

The team at 'The Anchor & Crown', a busy seaside pub in Brighton, needed to upgrade the bulbs in their Sunday carvery gantry. Their existing bulbs were un-jacketed, posing a constant food safety worry, and  seemed to need replacing every few months, causing disruption during service.

"We were constantly worried about a bulb shattering over the joint on a busy Sunday. Switching to this jacketed heat lamp 300W model has given us complete peace of mind, and  they genuinely seem to last ages. It's one less thing to worry about."

Michael Davies – Landlord

Since making the switch six months ago, they haven't had a single failure and  have totally eliminated the food safety risk from bulb shatter.

Installation and  Maintenance Guide

Setting It Up

  • First thing's first: always switch the power off at the mains before you start.
  • Let the old bulb cool down completely. They get incredibly hot, so don't be impatient!
  • Use a clean, dry cloth or gloves to handle the new bulb. Oils from your skin can shorten its life.
  • Line up the ends and  gently push the R7 bulb into its fittings until it feels secure.

Keeping It Going

  • Give the outer jacket a regular wipe with a soft, dry cloth to remove any dust or grease.
  • A clean bulb is an efficient bulb! This ensures maximum heat gets to your food.
  • Periodically check that the bulb is still seated securely in its fittings.
  • It's always wise to have a spare on hand to avoid getting caught out during a busy shift.

Buying Guide: Choosing the Right Heat Lamp Bulb

Not sure which bulb you need? Here's a quick checklist to get it right every time.

1. Check the Length

Heat lamp fittings are precise. Measure your old bulb or the unit itself – this one is 220mm long. A bulb that's too long or short simply won't fit.

2. Confirm the Fitting Type

This is the most common mistake! This is an R7 'push-in' bulb. Check if your unit needs this or a different type, like a screw-in (E27) bulb.

3. Match the Wattage

To get the right heat output and  avoid damaging your equipment, match the wattage. This is a 300W bulb, a common power for commercial gantries.

4. Prioritise Safety

If the bulb is over open food, a jacketed or shatterproof model is non-negotiable. It's a key requirement for food safety inspections.

5. Consider the Lifespan

Look for bulbs with a long rated life, like this one's 5000 hours. It means less money and  time spent on replacements in the long run.

See all Commercial Light Bulbs

Frequently Asked Questions

Q: What is a jacketed heat lamp bulb?

A: It’s a bulb with a protective outer glass sleeve. If the inner bulb breaks, the jacket contains the fragments, preventing them from contaminating food below.

Q: How do I know if this R7 bulb will fit my lamp?

A: Check your heat lamp's manual or look at the old bulb. R7 is a specific push-in fitting, and  this model is 220mm long. If your old one matches, you're good to go.

Q: What's the difference between quartz and  a normal bulb?

A: Quartz halogen elements provide instant, high-intensity infrared heat. They heat up and  cool down very quickly, making them much more efficient for catering than standard glass bulbs.

Q: How long does this catering infrared heat bulb actually last?

A: This model is rated for an approximate lifespan of 5000 hours of use, offering excellent long-term value for a busy kitchen.

Q: Why shouldn't I touch the bulb with my bare hands during installation?

A: The natural oils on your skin can cause 'hot spots' on the quartz glass when it heats up, which can weaken the bulb and  significantly reduce its lifespan. Always use a cloth or gloves.

Q: Is 300W powerful enough for a professional kitchen?

A: Absolutely. 300W is a very common power rating for commercial food gantries and  serveries, providing ample radiant heat to keep food at a safe and  pleasant serving temperature.

Q: Does this bulb produce a coloured light?

A: No, this is a clear infrared bulb. Its main purpose is to generate heat efficiently, while also illuminating the food. It does not have a red coating.

Q: What does 'push in fit' mean for installation?

A: It means the bulb doesn't screw into place. It has a small ceramic contact point at each end that you simply and  securely push into the corresponding spring-loaded slots on the lamp holder.

What Customers Are Saying

"Does exactly what you need it to. The push-fit design is a doddle, took seconds to replace the old one. Good, strong heat output."

Mark L. – Chippy Owner, Manchester

"Brilliant quality. You can tell the jacketed design is much safer. The R7 infrared heat bulb 220mm was a perfect fit for our gantry."

Chloe W. – Bistro Manager, Bristol

"Our go-to replacement bulb. We always keep a few of the CC536 quartz heat lamp spares on hand to avoid any downtime."

Ben P. – Events Caterer, Birmingham

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The Oxford Hardware Promise: Reliability in Every Component

In a bustling kitchen, the smallest failure can cause the biggest headache. A bulb blowing mid-service can lead to cold food, unhappy customers, and  lost revenue. That's where the value of a brand like Oxford Hardware becomes clear. They specialise in these essential, workhorse components that professionals rely on day in, day out. This 300W infrared quartz heat bulb isn't just a consumable part; it’s a small investment in operational consistency. Its robust construction, long lifespan, and  critical safety features like the jacketed design work together to reduce maintenance chores and  mitigate risks. Choosing a reliable component like this allows you to focus on the food and  service, not on whether your equipment will let you down. It’s the kind of behind-the-scenes quality that underpins a smooth, safe, and  profitable kitchen operation.

Explore more from Oxford Hardware

Why a Jacketed Bulb is a Non-Negotiable for Food Safety

Ever wondered what 'jacketed' actually means? It’s a brilliantly simple but vital safety feature. Imagine the heat bulb is wearing a tough, transparent coat. This outer quartz or glass 'jacket' completely encases the inner element. Its sole job is to act as a bodyguard.

Think of it like the safety glass in a car windscreen. If the inner bulb were to ever break or shatter due to a knock or defect, the outer jacket contains all the tiny, sharp fragments. This prevents them from falling into the pan of delicious curry or the tray of chips sitting below. For any kitchen serving food to the public, this isn't just a nice-to-have; it's a critical feature for meeting food safety standards, protecting your customers, and  safeguarding your hard-earned reputation.

Who Should Buy This?

  • Restaurants & Pubs: Ideal for keeping dishes on the pass or carvery station perfectly hot for service.
  • Takeaway Kitchens: An essential for holding fried chicken, chips, and  kebabs at safe, appealing temperatures.
  • Hotel Buffets: Ensures breakfast items like bacon, sausages, and  pastries stay consistently warm for guests.
  • Event Caterers: A reliable and  safe commercial heat lamp replacement bulb for mobile serveries and  pop-up kitchens.
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