Home improvement safety component that prevents overheating in hot water cylinders, supplied as a single resettable immersion thermostat, Primaflow Immersion Heater Thermostat. Peace of mind comes for homeowners and installers who want a clear safety cut-out during maintenance. Would it suit your cylinder and wiring setup?
⚡ At a Glance
- • Cut-out Reliability: Manual-reset thermal cut-out interrupts power when a fault or overtemperature is detected
- • Best for: Homeowners and installers replacing or upgrading cylinder thermostats
- • Not ideal for: Systems that require automatic resetting or remote monitoring
Pack of one immersion thermostat with a blade length of approximately 7 inches and overall length of approximately 8 inches. Built-in electrical protection requires manual resetting after fault detection.
Quick installation, with two-wire setup
User feedback highlights an easy two-wire installation and straightforward electrical connection, reducing wiring complexity for many jobs.
Faster swaps and less time on site when the measurements match, useful for routine maintenance or replacement work.
Clear fit checks, with approximately 7-inch blade and 8-inch overall length
Blade length measures approximately 7 inches with an overall length of approximately 8 inches, giving precise physical dimensions for pre-installation checks.
Measure the immersion pocket before fitting to ensure the thermostat reaches the correct depth and avoids rework.
Durable performance, with robust construction supported by user feedback
Reviewers report long-lasting operation and consistent switching behaviour, indicating reliable mechanical and electrical components under normal use.
Fewer replacements and maintenance visits are likely, making the unit a practical choice for ongoing cylinder protection.
✨ The 4 Key Reasons for Primaflow Immersion Heater Thermostat
- Approx 7-inch blade, Confirms physical size for pre-installation measurement checks and avoids incorrect purchases
- Approx 8-inch overall length, Allows installers to verify clearance inside cylinder pockets quickly
- Two-wire connection, Simplifies wiring and reduces installation time for electricians and DIYers
- Pack of one, Convenient single replacement unit for direct swaps during maintenance visits
📋 Technical Details at a Glance
- Category: Home Improvement
- Brand: Primaflow
- Product type: Immersion Heater Thermostat
- Blade length: Approximately 7 inches
- Overall length: Approximately 8 inches
❓ Frequently Asked Questions
Q: How long is the thermostat's sensing blade?
A: The sensing blade measures approximately 7 inches, with an overall length of approximately 8 inches.
Q: Does the thermostat reset itself after a fault?
A: No, built-in electrical protection requires a manual reset after fault detection.
Q: Is installation complicated for homeowners or installers?
A: User reviews report easy two-wire installation and quick setup, though installers should confirm physical fit and wiring compatibility before fitting.
🏆 Our Verdict
Suitable for homeowners and professional installers who need a straightforward, resettable safety cut-out for hot water cylinders. Manual-reset electrical protection combined with clear physical dimensions makes overheating protection simple to check and maintain. Durable performance and accurate switching reported by users point to good long-term value through fewer replacements.
