Raypak Error SNS: Temperature Sensor Out of Range
A temperature sensor (inlet, outlet, or high-limit thermistor) is reading a value outside the acceptable range, or its wiring/connector has failed. The display may name the specific sensor. We diagnose and repair it across Greater Vancouver — same-day and after-hours.
A temperature sensor (inlet, outlet, or high-limit thermistor) is reading a value outside the acceptable range, or its wiring/connector has failed. The display may name the specific sensor.
Raypak fault codes can vary by model and series. Use this as a guide — the same code can have more than one cause. Our Technical Safety BC–licensed technicians read the code, confirm it against your unit's manual, and diagnose the true cause before any repair.
Likely causes of Raypak error SNS
- Open, shorted, or disconnected sensor
- Damaged sensor wiring or loose connector
- Sensor reading below ~36°F or above its limit
- Failed thermistor element
- Poor sensor mounting / contact with the pipe
What you can safely check
- Note exactly which sensor name the display shows and report it to your technician
- No homeowner action inside the unit — schedule a service visit
Beyond these checks, do not open the unit or touch gas/electrical parts — BC law requires a licensed gas fitter. Call us for a proper diagnosis.
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For your safety and to keep your manufacturer warranty valid, BoilerPart.ca does not sell loose boiler parts over the counter or for self-installation. Under BC regulations, gas appliance components must be installed by a licensed gas fitter. Every part we source is genuine OEM and is professionally fitted, tested, and certified by our Technical Safety BC–licensed technicians as part of a complete repair or installation.
Parts often behind Raypak error SNS
Genuine Raypak parts we supply and professionally install — never for DIY.
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Every repair and installation is backed by our written workmanship guarantee. If a part we installed fails because of our work, we make it right.
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We fit only manufacturer-original (OEM) components so your boiler performs to spec and keeps its factory warranty intact.
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All work is completed by Technical Safety BC–licensed gas fitters (Licence LGA0043870, Boiler Permit LBP0046450). We are fully licensed, bonded and insured for your protection.
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You approve the diagnosis and quote before any work begins. No hidden fees and no surprise charges.
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Backed by the full HVAC resources of CanroHeat.ca and four decades of service in Greater Vancouver since 1985.
Raypak Error SNS Repair Across Metro Vancouver
Frequently Asked Questions
Fix Raypak Error SNS Today
Licensed Raypak diagnosis and repair with genuine parts — same-day and after-hours across Greater Vancouver.
A Division of CanroHeat.ca · Licensed Gas Fitters · Serving Greater Vancouver since 1985