Field Controls CK-20FV Gas Fired Water Heater Control Kit

Field Controls CK-20FV Gas Fired Water Heater Control Kit is a reliable, safety-focused solution for 30 millivolt gas-fired water heaters, pools, and spas. Built to support CAS-4, CAS-4Jr, and CAS-4TMR configurations, this kit delivers trusted ignition control and safe venting monitoring. It is ETL-listed for Canada and the US, ensuring compliance across installations.

Designed to work with 30 millivolt systems, the CK-20FV provides essential safety and performance components, including a Fan Control Gas Pressure Switch, a GSK-3 Spillage Switch Kit, and a TCA-1 Thermocouple Adapter, along with the necessary hardware to complete a robust installation.

Key features and kit contents include the following components to ensure simple installation and reliable operation:

• Fan Control Gas Pressure Switch (46506800)
• GSK-3 Spillage Switch Kit (46086400)
• TCA-1 Thermocouple Adapter (46082700)
• Flexible Conduit Connector
• 1/8" Threaded x 3" Pipe Nipple
• 1/8" Threaded Pipe Tee
• 6 ft of Wire (12–2 AWG)
• 12" Jumper Wire
• Junction Box

Whether you’re upgrading an existing system or equipping a replacement, the Field Controls CK-20FV Gas Fired Water Heater Control Kit provides safe ignition, accurate flame monitoring, and durable hardware for dependable performance.