the female mating connector is typically sold separately or salvaged from the existing wiring harness during replacement

A blown Robertshaw 10-660 typically indicates a flame rollout event or excessive internal temperatures caused by a cracked heat exchanger

you know that hot surface ignitor replacement is a primary fix for "no heat" calls

the 7/8" ODF connections are sized to receive 7/8" OD copper tubing

typically found in 903446 CMF80 and CMF100 units

Johnson Controls P10FC-4 Pressure Control 30067439-890 the female mating connector isLow Pressure Control, Two Stage, SPDT Contact Action, 3 20 PSIG Range, 8 PSIG Factory Setting Low Stage ( R to Y Cutout ), 12 PSI Factory Setting High Stage ( R Y Cut In ), 2 PSI Low and High Stage Switch Differential, 1 8" Barbed Fitting Pressure Connector, Visible Range Scale