though we recommend verifying if your existing knob matches the 13/16" stem length or if a new dial kit is required for your specific faceplate

reducing labor time during complex system retrofits or new construction

confirming the system is correctly leveled and isolated

Safety Built-In: Non-cycling Energy Cut-Off (ECO) system for automatic gas shutoff in over-temperature conditions

Raypak 052870F Kit Els PW 29614 though we recommend verifying ifMaintain peak thermal conductivity with the Raypak 052870F De Liming Brush Kit. Featuring a 7 8" diameter wire brush, this professional grade kit is specifically engineered for HVACR contractors performing scale removal on Raypak Hi Delta heaters and Raytherm indoor project water heaters. Scale accumulation within copper tubing insulation acts as a thermal barrier, drastically reducing heat transfer efficiency and forcing the system to cycle more