Raypak RAY-600827B Mechanical Thermostat Model 155A

Product Description

The RAYPAK RAY-600827B is a mechanical thermostat designed for use in the Raypak Model 155A pool heater. Mechanical thermostats use a temperature-sensing element to regulate burner operation, cycling the heater on and off to maintain the set water temperature. This component is a direct service replacement for the original control installed at the factory. Pool service technicians and HVAC professionals handling aquatic heating systems install this part during routine maintenance or when the existing thermostat fails to maintain accurate temperature control.

This thermostat is suited for gas-fired residential pool and spa heating applications using the Raypak Model 155A heater. A failed or drifting thermostat is a common cause of water temperature inconsistency, short cycling, or a heater that runs continuously. Replacing the mechanical thermostat restores accurate setpoint control and protects the heat exchanger from overtemperature conditions.

Key Features

• Mechanical thermostat design with no electronic components to fail
• Factory-matched replacement for the Raypak Model 155A heater
• Regulates burner cycling to maintain consistent pool or spa water temperature
• Direct OEM-style fit reduces installation time and wiring complexity

Compatibility

Designed as an OEM-style replacement thermostat for the Raypak Model 155A pool heater.

Installation Notes

Installation should be performed by a licensed pool service technician or qualified HVAC professional familiar with gas-fired pool heating equipment. Shut off gas supply and disconnect electrical power to the heater before removing the existing thermostat. Follow the heater manufacturer's service documentation for thermostat mounting location and capillary tube routing. Verify all connections are secure and restore power before testing setpoint operation.

Technical Specifications

• Thermostat Type: Mechanical
• Application: Pool Heater
• Compatible Model: Raypak Model 155A

Standard Information

• Brand: RAYPAK
• Manufacturer Part Number: RAY-600827B