The 1/4" x 4" copper bulb ensures rapid thermal response

using a genuine Trane OEM pilot assembly ensures the orifice size and mounting bracket align perfectly

The Nordyne 669772 TXV is a precision-engineered R410A thermal expansion valve designed to provide accurate refrigerant metering for Nordyne air handlers and heat pump systems

The TD114F must be used with a TS114F sensor to ensure the resistance ranges align for proper calibration

Hydrolevel 48-3203SF Hydrostat 321142-301 The 1/4" x 4" copperProfessional grade boiler maintenance requires exact replacement parts to ensure system safety and efficiency. The Hydrolevel 48 3203SF Hydrostat is the direct, manufacturer specified replacement for the obsolete 48 3200 03. This technician preferred Fuel Smart Hydrostat is purpose built for Slant Fin gas boilers, including the Sentinel SE 105, SE 140, SE 175, SE 210, and SE 245, as well as Sentry S 90, S 120, and S 160 models. This 24VAC control