Grundfos 95906638 Pump 318973-401 Installing a crankcase sump heater

Installing a crankcase sump heater like the HTR12894 keeps refrigerant out of the oil

What is the ignition sequence for this Robertshaw model

this specific assembly is optimized for natural gas spark pilot applications

The inclusion of two built-in auxiliary switches (SPST) allows for precise end-stop monitoring and position feedback to the building automation system

Grundfos 95906638 Pump 318973-401 Installing a crankcase sump heaterThe Grundfos 95906638, also known as the UPS 43 100SF, is a high performance 3 speed stainless steel circulator pump engineered for both residential and commercial hydronic applications. This "Super Brute" series pump features a 1 2HP wet rotor design, where the motor and pump form an integral unit without a shaft seal, ensuring whisper quiet operation and eliminating the need for mechanical maintenance. Operating at 115V, it delivers a maximum flow